We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMechanisms of action of mifepristone and levonorgestrel when used for emergency contraception.AuthorsGemzell-Danielsson K; Marions LPublicationHuman reproduction update, 2004, Vol 10, Issue 4, p341ISSN1355-4786Publication typearticleDOI10.1093/humupd/dmh027