{"title":"Mongolism: the effect of trends in age at childbirth on incidence and chromosomal type.","authors":"B W Richards","doi":"10.1179/bjms.1967.002","DOIUrl":"https://doi.org/10.1179/bjms.1967.002","url":null,"abstract":"","PeriodicalId":85734,"journal":{"name":"The Journal of mental subnormality","volume":"13 Pt 1 24","pages":"3-13"},"PeriodicalIF":0.0,"publicationDate":"1967-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1179/bjms.1967.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22011131","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}