Designing clinical research :  an epidemiologic approach / 
[edited by] Stephen B. Hulley ... [et al.] 
 - 2nd ed. 
 - Philadelphia, Pa. :  Lippincott Williams & Wilkins,  2001 
 - xv, 336 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0781722187  RM259.58 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods<br/>Research design
<br/><br/><label>National Library of Medicine Call No.: </label>WA950  / .D457 2001 9HUKM