Trussell, J <br/><br/>
Updated estimates of the effectiveness of the Yuzpe regimen of emergency contraception.  [electronic resource] 

 -  Contraception  Mar 1999 
 - 147-51 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.; Review 
<br/><br/><label>ISSN: </label>0010-7824 
<br/><br/><label>Standard No.: </label>10.1016/s0010-7824(99)00018-9  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraception<br/>Contraceptives, Postcoital, Hormonal<br/>Female<br/>Humans<br/>MEDLINE<br/>Ovulation<br/>Pregnancy