The development of a new triphasic oral contraceptive :  The proceedings of a special symposium held at the 10th World Congress on Ferility and Sterilitty, Madrid, July 1980 / 
Edited by R.B. Greenblatt; co-ordinating editors: J. Cortes-Prieto, A. Campos-da-Paz. 
 - Lancaster :  MTP Press Limited,  1980. 
 - 128 p. :  ill. ;  20 cm. 
<br/><br/>Includes bibliographical referencers 
<br/><br/><label>ISBN: </label>0-85200-376-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gynecology