Lee, J W <br/><br/>
Group sequential comparison of changes: ad-hoc versus more exact method.  [electronic resource] 

 -  Biometrics  Mar 1995 
 - 21-30 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0006-341X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analysis of Variance<br/>Biometry--methods<br/>Clinical Trials as Topic--methods<br/>Humans<br/>Models, Statistical<br/>National Institutes of Health (U.S.)<br/>United States