Hulley, Stephen B. <br/><br/>
Designing clinical research   anepidemiologic approach 

 - 2nd 
 - Philadelphia  Lippincott Williams & Wilins  2001 
 - xiv,336p.  25cm 
<br/><br/><label>ISBN: </label>0781722187 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Medicine<br/>Clinical research
<br/><br/><label>Dewey Class. No.: </label>610.72  / DES