Lang, J M <br/><br/>
Estimating the effect of the run-in on the power of the Physicians' Health Study.  [electronic resource] 

 -  Statistics in medicine  Oct 1991 
 - 1585-93 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0277-6715 
<br/><br/><label>Standard No.: </label>10.1002/sim.4780101010  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspirin--therapeutic use<br/>Cardiovascular Diseases--mortality<br/>Carotenoids--therapeutic use<br/>Data Interpretation, Statistical<br/>Double-Blind Method<br/>Humans<br/>Neoplasms--prevention & control<br/>Patient Compliance<br/>Randomized Controlled Trials as Topic--methods<br/>Research Design<br/>Surveys and Questionnaires<br/>beta Carotene