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

 - Geneva  World Health Organization  1988 
 - vi, 82 p. 
<br/><br/><label>ISBN: </label>9241542411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family planning<br/>Natural family planning
<br/><br/><label>Dewey Class. No.: </label>613.94  / WOR