{"title":"A study on the relationships of lactation, postpartum amenorrhea and contraceptive practice.","authors":"Whang K-h, Kwon E-h, Kang K-w","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":83885,"journal":{"name":"Ren kou xue kan / Kuo Li Tai-Wan Ta Hsueh","volume":"16 ","pages":"29-55"},"PeriodicalIF":0.0000,"publicationDate":"1973-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ren kou xue kan / Kuo Li Tai-Wan Ta Hsueh","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}