Designing clinical research :  an epidemiological approach. 

 - Baltimore :  Williams & Wilkins,  1988. 
 - vii  247 p.  ill.   25 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0683042491 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical trials<br/>Medicine<br/>Biochemistry<br/>Epidemiologic Methods.<br/>Research Design.
<br/><br/><label>National Library of Medicine Call No.: </label>WA 950 D 1988