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 :  University of Notre Dame Press,  1969 
 - 133 p.:  illus.,  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>70079611  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraception.
<br/><br/><label>Dewey Class. No.: </label>613.94  / DAB 1969