{"title":"[Comparative study of four types of IUDs inserted in women during puerperium for a period of 28 months in rural areas].","authors":"Y Li","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":85518,"journal":{"name":"Sheng zhi yu bi yun = Reproduction and contraception","volume":"11 2","pages":"68"},"PeriodicalIF":0.0000,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sheng zhi yu bi yun = Reproduction and contraception","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}