Halpern, Scott D <br/><br/>
Hypertensive patients' willingness to participate in placebo-controlled trials: implications for recruitment efficiency.  [electronic resource] 

 -  American heart journal  Dec 2003 
 - 985-92 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>1097-6744 
<br/><br/><label>Standard No.: </label>10.1016/S0002-8703(03)00507-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Altruism<br/>Antihypertensive Agents--adverse effects<br/>Attitude<br/>Female<br/>Humans<br/>Hypertension--drug therapy<br/>Male<br/>Middle Aged<br/>Motivation<br/>Odds Ratio<br/>Patient Participation--psychology<br/>Patient Selection<br/>Placebos--therapeutic use<br/>Randomized Controlled Trials as Topic--psychology<br/>Sample Size