World Health Organization <br/><br/>
Natural family planning: a guide to provision of services 

 - 1 
 - Geneva  WHO  1988 
 - vi, 82p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>A.P.H - Public health
<br/><br/><label>Dewey Class. No.: </label>613.9 WHO