{"title":"Problems with stopping rules in the trials of risky therapies: the case of warfarin to prevent stroke in atrial fibrillation.","authors":"D E Singer","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":10429,"journal":{"name":"Clinical research","volume":"41 3","pages":"482-6"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Clinical research","FirstCategoryId":"3","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}