{"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":"","url":null,"abstract":"","PeriodicalId":83885,"journal":{"name":"Ren kou xue kan / Kuo Li Tai-Wan Ta Hsueh","volume":"16 ","pages":"29-55"},"PeriodicalIF":0.0,"publicationDate":"1973-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21989960","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":"A study on use-effectiveness and extended use-effectiveness of contraceptive methods based on a program directed towards women having taken oral contraceptives in Seoul, Korea.","authors":"Kwon E-h, Park T-r, A Kang H-j Et","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":83885,"journal":{"name":"Ren kou xue kan / Kuo Li Tai-Wan Ta Hsueh","volume":"12 ","pages":"85-107"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21989962","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}
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