Helena Pham, Eva Marquordt, Claudia Schröder-Kraft, Christoph Skudlik
{"title":"Occupational protein contact dermatitis in a fitness studio employee","authors":"Helena Pham, Eva Marquordt, Claudia Schröder-Kraft, Christoph Skudlik","doi":"10.1111/cod.14708","DOIUrl":"10.1111/cod.14708","url":null,"abstract":"","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"92 2","pages":"157-158"},"PeriodicalIF":4.8,"publicationDate":"2024-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142380218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K. Piontek, S. Radonjic-Hoesli, J. Grabbe, K. P. Drewitz, C. Apfelbacher, S. Wöhrl, D. Simon, C. Lang, S. Schubert
{"title":"Comparison of patch testing Brazilian (Green) propolis and Chinese (poplar-type) propolis: Clinical epidemiological study using data from the Information Network of Departments of Dermatology (IVDK)","authors":"K. Piontek, S. Radonjic-Hoesli, J. Grabbe, K. P. Drewitz, C. Apfelbacher, S. Wöhrl, D. Simon, C. Lang, S. Schubert","doi":"10.1111/cod.14701","DOIUrl":"10.1111/cod.14701","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Propolis types differ regarding their chemical composition.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To compare patch test results based on Brazilian (Green) propolis with data based on Chinese (poplar-type) propolis, and to evaluate the specifications of raw materials used for the PT preparations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>In the Information Network of Departments of Dermatology (IVDK), 1290 consecutive patients were patch tested with Brazilian (Green) propolis (NH400, SmartPractice Europe). Patch test reactivity was compared with results obtained with Chinese (poplar-type) propolis (NA71, SmartPractice Europe) by calculating frequencies and corresponding 95% confidence intervals. Data on the specifications of raw materials used for NH400 and NA71 were obtained from the manufacturer.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Positive reactions to NH400 were found in 303 (23.5%) patients with unclear clinical relevance in most cases. Patients reacting to NH400 were less often sensitised to fragrances and colophony, but more often to nickel sulphate and cobalt chloride than patients reacting to NA71. The NH400 batch used contained high levels of aerobic bacteria, and was not purified by ethanolic extraction.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Pattern of concomitant reactivity along with raw material properties suggests that the high frequency of positive reactions to NH400 may primarily result from bacterial contamination or impurities in the PT preparation rather than from propolis constituents.</p>\u0000 </section>\u0000 </div>","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"92 3","pages":"209-216"},"PeriodicalIF":4.8,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Christoffer Kursawe Larsen, Jakob F. B. Schwensen, Claus Zachariae, Cecilia Svedman, Jeanne D. Johansen, Ola Bergendorff
{"title":"Contents of sensitising rubber accelerators in disposable rubber gloves: A Copenhagen market survey","authors":"Christoffer Kursawe Larsen, Jakob F. B. Schwensen, Claus Zachariae, Cecilia Svedman, Jeanne D. Johansen, Ola Bergendorff","doi":"10.1111/cod.14709","DOIUrl":"10.1111/cod.14709","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Rubber gloves contain rubber accelerators that may cause contact allergy. The content of sensitising rubber accelerators in contemporary rubber gloves is not well known.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>Identify and quantify the content of rubber accelerators in disposable rubber gloves.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Fifty-one gloves of 49 different brands were collected. Forty-eight of the gloves were disposable and three re-usable. The gloves were analysed for their content of sensitising rubber accelerators, that is, zinc dithiocarbamates, thiurams, thiazoles/benzothiazoles, diphenylguanidine, and thioureas by high-performance liquid chromatography.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Rubber accelerators were identified in 43/48 (90%) of the disposable gloves. In total, 39 gloves contained zinc dibutyldithiocarbamate (ZDBC) (0.18–1.96 mg/g), 34 zinc diethyldithiocarbamate (ZDEC) (0.032–2.78 mg/g), three zinc dibenzyldithiocarbamate (0.65–1.4 mg/g), one zinc dimethyldithiocarbamate (0.23 mg/g), and one 1,3-diphenylguanidine (0.21 mg/g). 2-cyanoethyl dimethyldithiocarbamate (CEDMC) was identified in three gloves (<0.052 mg/g). The one glove labelled as accelerator free contained ZDBC (1.07 mg/g). Only few glove packages had the specific content of rubber accelerators labelled.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The most frequent rubber accelerators in rubber gloves are ZDEC and ZDBC. Accelerator-free gloves may contain rubber accelerators. Full labelling of rubber gloves is needed and producers should be sure not to falsely claim that the rubber gloves are free of rubber accelerators.</p>\u0000 </section>\u0000 </div>","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"92 2","pages":"131-136"},"PeriodicalIF":4.8,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11710924/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fieke M. Rosenberg, Robert F. Ofenloch, Peter J. van der Most, Harold Snieder, Marie L. A. Schuttelaar
{"title":"Insights into hair dye use and self-reported adverse skin reactions in the Dutch general population: A cross-sectional questionnaire-based study","authors":"Fieke M. Rosenberg, Robert F. Ofenloch, Peter J. van der Most, Harold Snieder, Marie L. A. Schuttelaar","doi":"10.1111/cod.14703","DOIUrl":"10.1111/cod.14703","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Hair dyes are widely used in daily life. However, data on self-reported adverse skin reactions are scarce.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To estimate the proportion of lifetime hair dye use and self-reported adverse skin reactions in the Dutch general population, and to investigate the association between (adverse skin reactions to) hair dye use and contact allergy-related factors.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This cross-sectional study collected questionnaire-derived data from the Lifelines cohort. Logistic regression analyses were conducted between (adverse skin reactions to) hair dye use and black henna tattoo use, reactions to henna tattoos, patch testing, hand eczema and an occupation as hairdresser or beautician.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The proportion of hair dye use was 63.1% of 70 987 participants, of which 6.8% experienced adverse skin reactions, mostly mild (77.7%). Hair dye users and those with skin reactions were both positively associated (<i>p</i> < 0.05) with female sex, middle-age, (positive) patch test results and hairdresser or beautician occupations. Hair dye users were more likely to have had henna tattoos, and those with reactions to hair dye were more likely to have had reactions to henna tattoos.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Hair dye use is prevalent among the Dutch general population and frequently causes adverse skin reactions, especially in females who had black henna tattoos.</p>\u0000 </section>\u0000 </div>","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"92 3","pages":"224-233"},"PeriodicalIF":4.8,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/cod.14703","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142364714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Christoffer Kursawe Larsen, Anders Boutrup Funch, Helen Vaher, Rebecca Kitt Davidson Lohmann, Mia Hamilton Jee, Jakob F. B. Schwensen, Claus Zachariae, Cecilia Svedman, Ola Bergendorff, Charlotte Menné Bonefeld, Jeanne D. Johansen
{"title":"Cross-reactivity between thiuram disulfides and dithiocarbamates. A study of TETD and ZDEC using mouse models","authors":"Christoffer Kursawe Larsen, Anders Boutrup Funch, Helen Vaher, Rebecca Kitt Davidson Lohmann, Mia Hamilton Jee, Jakob F. B. Schwensen, Claus Zachariae, Cecilia Svedman, Ola Bergendorff, Charlotte Menné Bonefeld, Jeanne D. Johansen","doi":"10.1111/cod.14706","DOIUrl":"10.1111/cod.14706","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Rubber accelerators are used in the vulcanization of rubber. However, rubber accelerators for example tetraethylthiuram disulfide (TETD) and zinc diethyldithiocarbamate (ZDEC) may cause contact allergy. Concomitant reactions between ZDEC and TETD have been observed in patients which could be explained by co- or cross-reactivity.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To investigate cross-reactivity between TETD and ZDEC and vice versa.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Groups of mice were sensitized with TETD or ZDEC based on reported EC3-values. Proliferation of lymphocytes were measured on day 5. To test cross-reactivity, mice were sensitized and challenged 3 weeks later with TETD or ZDEC. The inflammatory response was measured by changes in ear thickness and the proliferative response in CD4<sup>+</sup> and CD8<sup>+</sup> T cells in the submandibular and cervical draining lymph nodes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Sensitization of mice with doses of ZDEC 3%, TETD 5.6% or TETD 16.2% induced significant increased ear thickness and proliferation of CD4<sup>+</sup> and CD8<sup>+</sup> T cells. Challenge with ZDEC or TETD in these groups induced significant increased ear thickness. Challenge with ZDEC in mice sensitized to TETD 5.6% or TETD 16.2% induced significant increased proliferation of CD4<sup>+</sup> and CD8<sup>+</sup> T cells.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>We show cross-reactivity between TETD and ZDEC. Patients sensitized to TETD or ZDEC should avoid exposure to both ZDEC and TETD.</p>\u0000 </section>\u0000 </div>","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"92 2","pages":"137-144"},"PeriodicalIF":4.8,"publicationDate":"2024-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11710922/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mikkel Bak Jensen, Christoffer Kursawe Larsen, Daniel Isufi, Farzad Seyed-Alinaghi, Malin G. Ahlström, Charlotte G. Mortz, Jeanne D. Johansen
{"title":"Prevalence of contact allergy to gold in dermatitis patients from 2010 to 2024: A systematic review and meta-analysis","authors":"Mikkel Bak Jensen, Christoffer Kursawe Larsen, Daniel Isufi, Farzad Seyed-Alinaghi, Malin G. Ahlström, Charlotte G. Mortz, Jeanne D. Johansen","doi":"10.1111/cod.14707","DOIUrl":"10.1111/cod.14707","url":null,"abstract":"<p>Gold contact allergy is diagnosed by patch testing using gold chloride or gold sodium thiosulfate. These tests often show high positivity rates, but a direct correlation with dermatitis from everyday gold exposure is rare. The aim of this study was to investigate and estimate the current prevalence of gold contact allergy in dermatitis patients. We performed a systematic literature search in PubMed, Embase and Web of Science for studies reporting the prevalence of gold contact allergy in dermatitis patients and published between January 2010 and May 2024. Data extraction and quality assessment were performed, and pooled proportions were calculated using random effects models. Sixteen studies with 14 887 dermatitis patients were included. The pooled prevalence of gold contact allergy was 14.1% (95% confidence intervals: 9.5%–19.4%) with significant heterogeneity (<i>I</i><sup>2</sup> = 98.3%). High positivity rates with limited clinical relevance highlight the need for cautious interpretation. Even within the same country, studies find different prevalence rates. Standardized testing protocols and further research are needed to better understand and manage this allergy.</p>","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"91 6","pages":"451-458"},"PeriodicalIF":4.8,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/cod.14707","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V. Marmgren, M. Mowitz, E. Zimerson, M. Hindsén, M. Bruze
{"title":"Surprising results of patch testing with the baseline series in patients with photocontact allergy to ketoprofen","authors":"V. Marmgren, M. Mowitz, E. Zimerson, M. Hindsén, M. Bruze","doi":"10.1111/cod.14696","DOIUrl":"10.1111/cod.14696","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>Photoallergic reactions due to topical ketoprofen are common. As some simultaneous contact allergies have been described in the literature, we aimed to get an overview of the pattern of reactivity towards common allergens in the baseline series in ketoprofen-photoallergic individuals.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Using our database, we found 94 patients with photocontact allergy to ketoprofen diagnosed during 1999–2018. Approximately 12 800 patients patch tested with the baseline series during the same time frame served as controls. Data on patch testing with the baseline series of 518 individuals belonging to the general population were obtained from an earlier study, and a comparison of allergy rates was made with the ketoprofen group.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Contact allergy to fragrance mix I and <i>Myroxylon pereirae</i> was overrepresented among patients with photocontact allergy to ketoprofen (42.3% vs. 6.6% and 47.9% vs. 6.6%, <i>p</i> < 0.001, respectively). Significant overrepresentation was also shown for 4-tert-butylphenolformaldehyde resin (PTBP-F-R), phenol formaldehyde resin (PFR-2), black rubber mix, budesonide (all <i>p</i> < 0.001), and fragrance mix II (<i>p</i> = 0.02). The pattern was similar, but with lower significance levels for fragrance mix II and budesonide, regardless of whether or not the individuals had been photopatch tested because of a suspected photoallergic contact dermatitis from ketoprofen.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Contact allergy to fragrance mix I, <i>Myroxylon pereirae</i>, black rubber mix, PFR-2, PTBP-FR, and to a somewhat lower extent, to fragrance mix II and budesonide, is common in individuals photoallergic to ketoprofen. It remains to be seen whether sensitisation to ketoprofen leads to simultaneous sensitisation to a number of other, chemically non-related, substances.</p>\u0000 </section>\u0000 </div>","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"91 6","pages":"474-484"},"PeriodicalIF":4.8,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/cod.14696","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Schubert, S. Forkel, C. Apfelbacher, M. Beigi, K. Siewert, K. Hartmann
{"title":"Patch testing sodium tetrachloropalladate is a better means to detect palladium sensitisation then palladium chloride—Results of a clinical–epidemiological study of the Information Network of Departments of Dermatology (IVDK) from 2003 to 2022","authors":"S. Schubert, S. Forkel, C. Apfelbacher, M. Beigi, K. Siewert, K. Hartmann","doi":"10.1111/cod.14695","DOIUrl":"10.1111/cod.14695","url":null,"abstract":"","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"91 6","pages":"533-535"},"PeriodicalIF":4.8,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marjolein J. Brands, Laura Loman, Tamara T. Lund, Esben M. Flachs, Ute Bültmann, Marie L. A. Schuttelaar
{"title":"The association between wet work and hand eczema in the Dutch general population: Application of a job exposure matrix to the lifelines cohort study","authors":"Marjolein J. Brands, Laura Loman, Tamara T. Lund, Esben M. Flachs, Ute Bültmann, Marie L. A. Schuttelaar","doi":"10.1111/cod.14687","DOIUrl":"10.1111/cod.14687","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Studies on wet work and hand eczema (HE) frequently rely solely on self-reports regarding wet work.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To assess the association between wet work and moderate-to-very-severe HE, within the Dutch general population, by using a (sex-specific) job exposure matrix (JEM).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Within the Lifelines Cohort Study, participants with self-reported moderate-to-very-severe HE at worst in the past year were linked to data from the Danish (sex-specific) wet work JEM, a tool that links occupations with wet work indices (including duration and probability of glove use, wet hands and total wet work for at least 2 and 4 h/working day).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>In total, 56 978 (41.9%) participants were included. The multivariate binary logistic regression analyses showed significant associations between all facets of wet work and moderate-to-very-severe HE. When using the sex-specific JEM, significant associations were found in females, but not in males.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>This study is the first to use a wet work-specific JEM in a general population sample, and found positive associations between wet work and HE. The sex-specific findings should be interpreted with caution, due to limitations inherent in using a JEM, and should be further explored with observational studies, with a focus on duration, frequency, and exposure type.</p>\u0000 </section>\u0000 </div>","PeriodicalId":10527,"journal":{"name":"Contact Dermatitis","volume":"92 1","pages":"31-40"},"PeriodicalIF":4.8,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11669559/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}