Hulley, Stephen B...[et al.] <br/><br/>
DESIGNING clinical research :   an epidemiologic approach 
/ B.Hulley...[et al.] 
 - Baltomore  Williams & Wilkins  1988 
 - xi, 247 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>683042491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical research<br/> Research design<br/>Epidemiologic methods
<br/><br/><label>Dewey Class. No.: </label>610.7  / DES