DeMets, D L <br/><br/>
The alpha spending function approach to interim data analyses.  [electronic resource] 

 -  Cancer treatment and research  1995 
 - 1-27 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0927-3042 
<br/><br/><label>Standard No.: </label>10.1007/978-1-4615-2009-2_1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Trials as Topic<br/>Data Interpretation, Statistical<br/>Humans<br/>Research Design