Modifying the Yuzpe regimen of emergency contraception: a multicenter randomized controlled trial
Author:
Charlotte Ellertson,Anne Webb,Kelly Blanchard,Alison Bigrigg,Sue Haskell,Tara Shochet,James Trussell
Publication:
Obstetrics & Gynecology
Copyright © 2003 The American College of Obstetricians and Gynecologists. Published by Elsevier Inc. All rights reserved.