Hormonal steroids in contraception. Report of a WHO Scientific Group.  [electronic resource] 

 -  World Health Organization technical report series  1968 
 - 1-28 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0512-3054 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraceptive Agents--administration & dosage<br/>Estrogens--administration & dosage<br/>Female<br/>Humans<br/>Progesterone--administration & dosage<br/>World Health Organization