Developments in fertility control: report of a WHO scientific group 

 - Geneva  World Health Organization  1969 
 - 36 p. 
 - World Health Organization. Technical report series, no. 424 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility,  Human
<br/><br/><label>Dewey Class. No.: </label>612.663