青少年生育趋势。美国1970-81年。

{"title":"青少年生育趋势。美国1970-81年。","authors":"S. Ventura","doi":"10.7326/0003-4819-102-2-282_3","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":76811,"journal":{"name":"Vital and health statistics. Series 21, Data from the National Vital Statistics System","volume":"41 1","pages":"i-iii, 1-22"},"PeriodicalIF":0.0000,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Trends in teenage childbearing. United States 1970-81.\",\"authors\":\"S. Ventura\",\"doi\":\"10.7326/0003-4819-102-2-282_3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":76811,\"journal\":{\"name\":\"Vital and health statistics. Series 21, Data from the National Vital Statistics System\",\"volume\":\"41 1\",\"pages\":\"i-iii, 1-22\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1984-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Vital and health statistics. Series 21, Data from the National Vital Statistics System\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.7326/0003-4819-102-2-282_3\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Vital and health statistics. Series 21, Data from the National Vital Statistics System","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7326/0003-4819-102-2-282_3","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}