Biodegradables and delivery systems for contraception / 
edited by E. S. E. Hafez, W. A. A. Van Os. 
 - Boston :  G. K. Hall,  1980. 
 - xi, 212 p. :  ill. ;  24 cm. 
 - Progress in contraceptive delivery systems .
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0816122156 
<br/><br/><label>LCCN: </label>807954  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraceptive drugs.<br/>Drugs--Dosage forms.<br/>Drug carriers (Pharmacy)--Biodegradation.