McPherson, K <br/><br/>
On choosing the number of interim analyses in clinical trials.  [electronic resource] 

 -  Statistics in medicine   
 - 25-36 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0277-6715 
<br/><br/><label>Standard No.: </label>10.1002/sim.4780010105  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Trials as Topic<br/>Humans<br/>Research Design<br/>Sampling Studies<br/>Statistics as Topic