The choice of a combined oral contraceptive.  [electronic resource] 

 -  Drug and therapeutics bulletin  Jan 1979 
 - 1-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0012-6543 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraceptives, Oral--administration & dosage<br/>Contraceptives, Oral, Combined--administration & dosage<br/>Female<br/>Humans