Journal of Occupational Health最新文献

{"title":"Stress experienced by dental students performing clinical training in different dental disciplines: a cross-sectional study.","authors":"Rasha A Alamoush, Sereen Al-Sawaeir, Dima Abu Baker, Sanaa A Aljamani, Salah A Alomoush, Mahmoud K Al-Omiri","doi":"10.1093/joccuh/uiae006","DOIUrl":"10.1093/joccuh/uiae006","url":null,"abstract":"<p><strong>Objectives: </strong>To assess the stress level, the impact of stress factors, and discrepancies between fourth- and fifth-year undergraduate clinical students at the University of Jordan.</p><p><strong>Methods: </strong>A cross-sectional study was conducted in the academic year 2022/2023. The study group included fourth- and fifth-year dental students at the University of Jordan (n = 382) who were asked to voluntarily fill in an online dental environment stress (DES) questionnaire. Analysis was conducted using Mann-Whitney U test, independent t-test, χ2 test, and Spearman ρ rank correlations. Statistical significance was inferred when P < .05.</p><p><strong>Results: </strong>Fourth-year students reported higher levels of nervousness before treating patients for the first time. Fifth-year students faced more difficulty, higher stress, and/or fear regarding the amount of assigned work, provided treatment, completed requirements, failing the course, time to finish assignments, patient comprehensive care, and financial expenses of the course. Comparison between groups revealed that the fifth-year students scored higher levels of stress on the total DES score and all partial DES scores. Furthermore, the total DES questionnaire scores were significantly correlated with grade point average (GPA) among the total study sample and the prosthodontics clinical course marks among the fourth-year students' group.</p><p><strong>Conclusions: </strong>The stress level among students in clinical courses was influenced by their academic performance, gender, year level, and the type and time needed for the provided treatment. Completing course requirements was among the most commonly faced stressors. Future research endeavors might be considered to study each clinical factor, its impact on students' stress level, and how to manage and positively improve these factors.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10899752/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139723039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Is organizational intervention using Layered Voice Analysis effective in addressing operator mental health in call centers? A randomized controlled trial.","authors":"Naomichi Tani, Yoshihiro Takao, Sakihito Noro, Hiroaki Fujihara, Hisashi Eguchi, Kazuki Sakai, Takeshi Ebara","doi":"10.1093/joccuh/uiae047","DOIUrl":"10.1093/joccuh/uiae047","url":null,"abstract":"<p><strong>Objectives: </strong>To verify the effects of organizational interventions on mental health using Layered Voice Analysis (LVA).</p><p><strong>Methods: </strong>A 12-week single-blind randomized controlled trial was conducted with call center operators. Sixty-six participants were randomly assigned to either a control group (n = 26), an LVA intervention group (n = 20), or a one-on-one intervention group (n = 20). The control group received general self-care information about preventing mental health problems from the Ministry of Health, Labour, and Welfare, Japan website. The organizational LVA intervention involved group sessions using participants' voice calls with customers, whereas the one-on-one intervention consisted of meetings or consultations with participants and their supervisors to discuss preventing mental health issues at work. To verify the effectiveness of the intervention program, the Center for Epidemiologic Studies Depression Scale (CES-D) was administered 4 times (baseline, 4, 8, and 12 weeks) as the primary outcome, and the data were analyzed using a linear mixed model. The intervention of LVA was subdivided and analyzed into LVA ≥5 times and LVA ≤4 times out of the total 6 interventions.</p><p><strong>Results: </strong>Compared with the control group, a significant CES-D reduction effect was observed at 8/12 weeks for the difference of coefficients (DOC; [βint - βctrl]) for the intervention of LVA ≥5 times (DOC -1.86 and -2.36, respectively). Similarly, even intervention LVA ≤4 times also showed a significant decrease of CES-D scores at 8/12 weeks (DOC -2.20 and -2.38, respectively).</p><p><strong>Conclusions: </strong>An organizational intervention using LVA has the potential to reduce the risk of depression among call center operators.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11460070/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141982573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of 1-hour computer use on ulnar and median nerve conduction velocity and muscle activity in office workers.","authors":"Kanruethai Threesittidath, Supattra Chaibal, Haifah Nitayarak","doi":"10.1093/joccuh/uiae023","DOIUrl":"10.1093/joccuh/uiae023","url":null,"abstract":"<p><strong>Objectives: </strong>To compare the effects of 1-hour computer use on ulnar and median nerve conduction velocity and muscle activity in office workers with symptomatic neck pain and asymptomatic office workers.</p><p><strong>Methods: </strong>A total of 40 participants, both male and female office workers, with symptomatic neck pain (n = 20) and asymptomatic (n = 20), were recruited. Pain intensity, ulnar nerve conduction velocity, median nerve conduction velocity, and muscle activity were determined before and after 1 hour of computer use.</p><p><strong>Results: </strong>There was a significant increase in pain intensity in the neck area in both groups (P < .001). The symptomatic neck pain group revealed a significant decrease in the sensory nerve conduction velocity of the ulnar nerve (P = .008), whereas there was no difference in the median nerve conduction velocity (P > .05). Comparing before and after computer use, the symptomatic neck pain group had less activity of the semispinalis muscles and higher activity of the anterior scalene muscle than the asymptomatic group (P < .05). The trapezius and wrist extensor muscles showed no significant differences in either group (P > .05).</p><p><strong>Conclusions: </strong>This study found signs of neuromuscular deficit of the ulnar nerve, semispinalis muscle, and anterior scalene muscle after 1 hour of computer use among office workers with symptomatic neck pain, which may indicate the risk of neuromuscular impairment of the upper extremities. The recommendation of resting, and encouraging function and flexibility of the neuromuscular system after 1 hour of computer use should be considered.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11195575/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140863348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sampling targets to assess occupational health in occupational health and safety management system audits: a mixed-methods research in Japan.","authors":"Shunsuke Inoue, Shigeyuki Kajiki, Hayato Shimoda, Amane Fujita, Koji Mori","doi":"10.1093/joccuh/uiae050","DOIUrl":"10.1093/joccuh/uiae050","url":null,"abstract":"<p><strong>Background: </strong>Occupational health and safety management systems (OHSMS) are the foundation of occupational health and safety activities within an organization. An important element of these systems is audits. However, OHSMS auditors often lack confidence in conducting occupational health audits compared with their proficiency in conducting occupational safety audits. For occupational health to be effectively managed by OHSMS, the sampling competence of auditors engaged in third-party audits should be improved. Therefore, we conducted this study to identify appropriate sampling targets for occupational health related to International Organization for Standardization (ISO) 45001.</p><p><strong>Methods: </strong>We adopted a mixed methods approach to identify appropriate sampling targets. This involved conducting focus group discussions with experts in occupational health and performing systematic text condensation analysis. The validity of our findings was further reinforced through confirmation by external auditors who specialize in ISO 45001.</p><p><strong>Results: </strong>In the qualitative phase, 6 occupational health sampling targets were identified, and of these, 5 were subsequently validated in the quantitative phase: (1) Health issues, legal requirements, and occupational health goals identified by the organization; (2) Occupational health risk assessment and control processes; (3) Processes related to occupational health and documented information showing the results of efforts; (4) Organizational roles and functions of occupational health professionals and opportunities for their professional development; and (5) Processes to ensure commitment to occupational health issues and objectives.</p><p><strong>Conclusion: </strong>To ensure effective and comprehensive occupational health audits, auditors should review these targets. This study will enhance the competence of auditors by identifying appropriate occupational health sampling targets.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451271/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142080670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of cold and hot temperatures on the renal function of people with chronic disease.","authors":"Min Young Park, Joonho Ahn, S Bae, B H Chung, Jun-Pyo Myong, Jongin Lee, Mo-Yeol Kang","doi":"10.1093/joccuh/uiae037","DOIUrl":"10.1093/joccuh/uiae037","url":null,"abstract":"<p><strong>Objectives: </strong>This study investigated the effects of hot and cold temperature on the renal function of people with chronic diseases, such as diabetes, hypertension, and chronic kidney disease, using large-scale clinical data.</p><p><strong>Methods: </strong>We used retrospective cohort data from the Clinical Data Warehouse of the Seoul St Mary's Hospital, which contains clinical, diagnostic, laboratory, and other information about all patients who have visited the hospital since 1997. We obtained climate data from the Automated Synoptic Observing System of the Korea Meteorological Administration. The heat index was used as a measuring tool to evaluate heat exposure by indexing the actual heat that individuals feel according to temperature and humidity. The estimated glomerular filtration rate (eGFR) was calculated using the Chronic Kidney Disease Epidemiology Collaboration equation. To investigate changes in renal function trends with heat index, this study used generalized additive mixed models.</p><p><strong>Results: </strong>Renal function decreased linearly with increasing heat index after approximately 25°C, which was considered the flexion point of temperature. A linear decrease in the eGFR was observed with the effects of 0 to 5 lag days. Although there was a correlation observed between the decrease in eGFR and temperatures below -10°C, the results did not indicate statistical significance.</p><p><strong>Conclusions: </strong>The results of our study provide scientific evidence that high temperatures affect the renal function of people with chronic diseases. These results can help prevent heat-related morbidity by identifying those who are more likely to develop renal disease and experience worsening renal function.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11378312/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141620147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comment on \"Non-attendance is associated with work performance due to the side effects of COVID-19 vaccination\".","authors":"Hinpetch Daungsupawong, Viroj Wiwanitkit","doi":"10.1093/joccuh/uiae039","DOIUrl":"10.1093/joccuh/uiae039","url":null,"abstract":"","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368117/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141627022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hierarchical clustering analysis of musculoskeletal stress factors and their risk level in cardboard manufacturing: research from PLIBEL.","authors":"Martha Roselia Contreras-Valenzuela, Carlos Alejandro Martínez-Ibanez","doi":"10.1093/joccuh/uiae008","DOIUrl":"10.1093/joccuh/uiae008","url":null,"abstract":"<p><strong>Objective: </strong>A hierarchical cluster analysis for the cardboard manufacturing industry was developed with the aim of identifying similarities between workstations in terms of musculoskeletal stress factors (MSFs) and their impact on workers' bodies.</p><p><strong>Methods: </strong>The hierarchical clustering analysis was conducted using data from 44 workstations, which included 6 body part divisions and 51 stress factors as variables with 36 answer options. Firstly, the content of the dataset was defined. Secondly, the data were agglomerated and classified into 3 clusters using Ward's method based on the presence or absence of stress factors. Finally, the multivariable matrix was reduced to 2 factors: the x-axis representing the risk level of the workstation, and the y-axis representing the impact on the workers' health.</p><p><strong>Results: </strong>The study found that workers' knees were the most affected body parts, with 47 cases. The resulting work-related musculoskeletal disorders included tendinitis, arthralgia, chondromalacia, and gonarthrosis. The MSF with the most significant impact on the body's health was fatiguing work that involves repeated jumps, prolonged squatting, or kneeling, present in cluster 1 and cluster 3. Moreover, two of the most common MSFs associated with repeated work positions were identified: a mild forward flexion of the back (63 cases) in combination with one leg being used more often to support the body (56 cases).</p><p><strong>Conclusions: </strong>It was possible to identify the main work-related musculoskeletal disorders and the associated stress factors for the cardboard manufacturing industry by using hierarchical cluster classification and analysis, enabling the classification of risk levels and the impact on body health for each workstation.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11019563/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139746795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between relatively low blood lead levels and urinary δ-aminolevulinic acid concentrations among male workers at a Japanese battery factory.","authors":"Kohei Hasegawa, Hirokazu Toubou, Masaru Mizuki, Teruomi Tsukahara, Tetsuo Nomiyama","doi":"10.1093/joccuh/uiae056","DOIUrl":"10.1093/joccuh/uiae056","url":null,"abstract":"<p><strong>Objectives: </strong>Whether the known positive association between blood lead (PbB) levels and urinary δ-aminolevulinic acid (ALAU) also exists at relatively low PbB levels (<40 μg/dL) remains unclear. We aimed to investigate this association at lower PbB levels.</p><p><strong>Methods: </strong>We analyzed data from biannual medical examinations of workers at a Japanese factory from August 2013 to August 2023. We excluded records from female workers and those with missing data, resulting in a dataset consisting of 1396 records from 155 male workers. We employed mixed-effect linear regression models with a random intercept for workers and additional adjustments for age and smoking status.</p><p><strong>Results: </strong>The median PbB level across all the analyzed records was 8 μg/dL (range: 1-31 μg/dL). Significant positive associations were observed between PbB and ALAU, with a 1-unit increase in natural logarithm-transformed PbB corresponding to a 10.0% increase in ALAU (95% CI, 2.7%-17.9%). Categorized PbB analyses showed a 23.8% increase in ALAU (95% CI, 2.7%-49.2%) for PbB levels at 20-24 μg/dL and an 83.1% increase (95% CI, 30.1%-157.7%) for PbB levels ≥25 μg/dL, compared with those <5 μg/dL. The exposure-response curve analysis indicated a plateau followed by an increasing trend.</p><p><strong>Conclusions: </strong>A positive and nonlinear association between PbB and ALAU levels was observed at relatively low PbB levels.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11472743/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Urinary benzyl alcohol and hippuric acid in workers exposed to benzyl alcohol during paint-stripping work.","authors":"Kenta Ishii, Akito Takeuchi, Masami Shimada, Hiromi Momokawa, Tomiko Tashiro, Ai Yamada, Kumiko Arai, Akira Namera, Kenji Yamamuro, Koichi Kato, Toshihiro Kawamoto, Ginji Endo","doi":"10.1093/joccuh/uiae059","DOIUrl":"10.1093/joccuh/uiae059","url":null,"abstract":"<p><strong>Objective: </strong>We aimed to develop a reliable gas chromatography-mass spectrometry (GC-MS) method for detecting urinary benzyl alcohol (BeOH) concentrations and assess the suitability of urinary BeOH as a biomarker for occupational BeOH exposure.</p><p><strong>Methods: </strong>Thirteen male participants exposed to BeOH during paint-stripping work provided preshift and postshift urine samples, and their personal exposure concentrations were measured. Meanwhile, a control group of 10 nonexposed workers contributed urine samples. The newly developed GC-MS method met regulatory guidelines.</p><p><strong>Results: </strong>The personal exposure concentrations of BeOH ranged from 8.4 to 45.2 mg/m3. Postshift urine samples from exposed participants showed significant BeOH and hippuric acid (HA) concentration increases compared with preshift samples (BeOH, post-/pre-shift geometric mean [GM] ratio = 7.5-7.8, P < .001; HA, post-/pre-shift GM ratio = 4.3-4.5, P < .001). These levels were considerably higher than those in postshift samples from the nonexposed control group (BeOH, exposed-/nonexposed-workers GM ratio = 14.8-19.0, P < .001; HA, exposed-/nonexposed-workers GM ratio = 12.1-15.3, P < .001), even after urine density correction.</p><p><strong>Conclusions: </strong>Urinary BeOH and HA can serve as potential biomarkers of occupational exposure to BeOH. More specifically, BeOH might serve as a biomarker superior to HA because it is apparently less influenced by confounding factors such as dietary intake and genetic polymorphism of low-Km aldehyde dehydrogenase (ALDH2). The findings will improve workplace safety measures and protocols, assisting health care professionals in diagnosing and managing exposure-related health issues, thereby potentially reducing the risk of occupational exposure to BeOH.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11561903/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of BMI changes in Japanese adults receiving face-to-face versus online counseling for specific health guidance: a noninferiority prospective observational study.","authors":"Satoru Kanamori, Kiyomi Tomiyama, Yasuo Haruyama","doi":"10.1093/joccuh/uiae026","DOIUrl":"10.1093/joccuh/uiae026","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the noninferiority of online counseling over face-to-face counseling for specific health guidance (SHG).</p><p><strong>Methods: </strong>This prospective observational study was conducted using specific health checkup (SHC) and SHG data of individuals with health insurance in Japan. We analyzed data from 1431 participants who met the inclusion criteria, including those who underwent online or face-to-face counseling between April 1, 2020 and March 31, 2021, and received an SHC in the following year but no earlier than 90 days after their first counseling session. Assessed variables comprised demographics, counseling methods, and SHC results, including baseline questionnaire findings and body mass index (BMI) at follow-up. We performed inverse probability of treatment weighting (IPTW) using propensity scores, with changes in BMI as the objective variable and the counseling method as the explanatory variable. We set the noninferiority margin to 0.175, based on a previous study.</p><p><strong>Results: </strong>The online and face-to-face counseling groups comprised 455 (31.8%) and 976 (68.2%) participants, respectively. The number of men and mean age were 214 (47.0%) and 49.9 years (SD: 6.9 years), respectively, in the online counseling group, and 491 (50.3%) and 51.1 years (SD: 7.6 years), respectively, in the face-to-face counseling group. IPTW using propensity scores revealed a regression coefficient of -0.014 (95% CI: -0.157 to 0.129) for the online group compared with the face-to-face group (P = .847). The CI was within the noninferiority margin.</p><p><strong>Conclusions: </strong>The effects of online counseling on BMI are likely noninferior to those of face-to-face counseling.</p>","PeriodicalId":16632,"journal":{"name":"Journal of Occupational Health","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11170213/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140903599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}