{"title":"[Analyzing the cause of IUD dropped].","authors":"S Bai, C Yan","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":85391,"journal":{"name":"Ren kou xue kan (Changchun shi, China)","volume":" 1","pages":"61-2"},"PeriodicalIF":0.0,"publicationDate":"1991-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22028330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Unite recognition, strengthen measurement and initiate new prospect of the family planning work].","authors":"D Dong","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":85391,"journal":{"name":"Ren kou xue kan (Changchun shi, China)","volume":" 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"1991-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22027849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Analysis of fundamental chains of family planning systematic engineering in the countryside].","authors":"S Liu","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":85391,"journal":{"name":"Ren kou xue kan (Changchun shi, China)","volume":" 1","pages":"49-52"},"PeriodicalIF":0.0,"publicationDate":"1991-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22027855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}