Natural family planning :  a guide to provision of services 

 - Geneva :  World Health Organization,  1988. 
 - 82 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9241542411 
<br/><br/><label>LCCN: </label>89-166770 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Community health services.<br/>Contraception--methods.<br/>Family planning.