Wray Rice, E <br/><br/>
[Effects of steroid agents as contraceptives after 2 to 6 years of continuous use].  [electronic resource] 

 -  Ginecologia y obstetricia de Mexico  Aug 1967 
 - 965-74 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0300-9041 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraceptive Agents--pharmacology<br/>Female<br/>Humans<br/>Pregnancy<br/>Steroids--pharmacology