Designing clinical research :  an epidemiologic approach / 
edited by Stephen B. Hulley and Steven R. Cummings. 
 - Baltimore :  Williams & Wilkins,  c1988. 
 - xi, 247 pages :  illustrations ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0683042491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical trials--Technique.<br/>Medicine--Research--Methodology.<br/>Biochemistry--Research--Methodology.
<br/><br/><label>Dewey Class. No.: </label>610.72 DES