Health aspects of family planning; report of a WHO scientific group 

 - Geneva  World Health Organization  1970 
 - 50 p. 
 - World Health Organization Technical report series, no. 442 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control.
<br/><br/><label>Dewey Class. No.: </label>613.943