{"title":"避孕与受孕比率:衡量计划生育项目在青少年中取得成功的工具。","authors":"J D Shelton","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":7383,"journal":{"name":"Advances in planned parenthood","volume":"13 1","pages":"1-6"},"PeriodicalIF":0.0000,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The contraception-to-conception ratio: a tool for measuring success of family planning programs in reaching very young teenagers.\",\"authors\":\"J D Shelton\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":7383,\"journal\":{\"name\":\"Advances in planned parenthood\",\"volume\":\"13 1\",\"pages\":\"1-6\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1978-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in planned parenthood\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in planned parenthood","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}