Advances in fertility control.  [electronic resource] 

 -  WHO chronicle  Jan 1972 
 - 12-20 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0042-9694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraception<br/>Contraceptive Agents<br/>Female<br/>Humans<br/>Intrauterine Devices<br/>Male