{"title":"Letters to the editor.","authors":"B M Caldwell","doi":"10.2105/ajph.60.10.1891-b","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":7663,"journal":{"name":"American journal of public health and the nation's health","volume":" ","pages":"1891-2"},"PeriodicalIF":0.0000,"publicationDate":"1970-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2105/ajph.60.10.1891-b","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"American journal of public health and the nation's health","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2105/ajph.60.10.1891-b","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}