PRIMARY care research <br/><br/>
PRIMARY care research: theory and methods 

 - [U.S.A]  U.S. Department of Health and Human Services  1991 
 - viii, 334 p. 
<br/><br/><label>ISBN: </label>246534 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical care-research
<br/><br/><label>Dewey Class. No.: </label>610.72  / PRI