Bleeding after use of the levonorgestrel regimen of emergency contraception : concordance between women's reports of their menstrual periods and an objective algorithm
To access this article, please choose from the options below
PII: S0010-7824(06)00331-3
doi:10.1016/j.contraception.2006.08.010
© 2007 Elsevier Inc. All rights reserved.
