ROBERT H FLETCHER <br/><br/>
CLINICAL EPIDEMIOLOGY 

 - 4TH 
 - PHILADELPHIA  LIPPINCOTT WILLIAMS & WILKINS  1996 
 - 252 
<br/><br/><label>Subjects--Topical Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>617.601