Report :  Geneva, 23-27 October 1967  / 
WHO Scientific Group on Hormonal Steroids in Contraception 
 - Geneva :  World Health Organization,  1968. 
 - 28p.:  ill. ;  24cm. 
 - World Health Organization Technical Report Series ;  no.386 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraception<br/>Steroids<br/>Estrogen
<br/><br/><label>Dewey Class. No.: </label>616.9