Duffy, Benedict J. <br/><br/>
Biological and medical aspects of contraception 
[by] Benedict J. Duffy, Jr. and Sister M. Jean Wallace. Illustrated by Ruth Anne Kocour. 
 - Notre Dame [Ind.]  University of Notre Dame Press  [1969] 
 - 133 p.  illus. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>70079611 //r82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraception