{"title":"[A clinical study on the comparison of the performance of stainless steel ring (SSR), uterine cavity-shaped device (UCD), MLCu250 and TCu220C].","authors":"Y Li","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":85518,"journal":{"name":"Sheng zhi yu bi yun = Reproduction and contraception","volume":"8 4","pages":"7-10"},"PeriodicalIF":0.0000,"publicationDate":"1988-01-01","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}