Human reproduction :  conception and contraception / 
edited by E.S.E. Hafez and T.N. Evans 
 - Hagerstown :  Medical Dept.,  1973 
 - xx, 778 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographical references (p.725-726) 
<br/><br/><label>ISBN: </label>0061410659 
<br/><br/><label>LCCN: </label>72-11984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraception<br/>Human reproduction