Pearl, Judea <br/><br/>
Principal stratification--a goal or a tool?  [electronic resource] 

 -  The international journal of biostatistics  Mar 2011 
 - 20 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.; Review 
<br/><br/><label>ISSN: </label>1557-4679 
<br/><br/><label>Standard No.: </label>10.2202/1557-4679.1322  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Causality<br/>Humans<br/>Models, Statistical<br/>Randomized Controlled Trials as Topic--methods<br/>Research Design