{"title":"A pertinent question.","authors":"G. T. Warren","doi":"10.1038/scientificamerican07011899-4","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":86990,"journal":{"name":"Optical journal and review of optometry","volume":"59 1","pages":"33; passim"},"PeriodicalIF":0.0000,"publicationDate":"1951-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1038/scientificamerican07011899-4","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optical journal and review of optometry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1038/scientificamerican07011899-4","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}