Singer, D E <br/><br/>
Problems with stopping rules in the trials of risky therapies: the case of warfarin to prevent stroke in atrial fibrillation.  [electronic resource] 

 -  Clinical research  Oct 1993 
 - 482-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-9279 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atrial Fibrillation--drug therapy<br/>Cerebrovascular Disorders--prevention & control<br/>Humans<br/>Randomized Controlled Trials as Topic--standards<br/>Therapeutic Human Experimentation<br/>Warfarin--therapeutic use