Rosenberg, M <br/><br/>
Does smoking affect efficacy of the pill? Ask the experts.  [electronic resource] 

 -  Contraceptive technology update  Dec 1999 
 - 143-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0274-726X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Americas<br/>Behavior<br/>Contraception<br/>Contraceptives, Oral<br/>Developed Countries<br/>Evaluation Studies as Topic<br/>Family Planning Services<br/>North America<br/>Smoking<br/>United States<br/>Women