Current Version
Skin patch and vaginal ring versus combined oral contraceptives for contraceptionLaureen M Lopez, David A Grimes, Maria F Gallo and Kenneth F Schulz
Article first published online: 17 MAR 2010 | DOI: 10.1002/14651858.CD003552.pub3
Previous versions of this article and their online publication dates
Version 2
Skin patch and vaginal ring versus combined oral contraceptives for contraceptionLaureen M Lopez, David A Grimes, Maria F Gallo and Kenneth F Schulz
Article first published online: 16 JUL 2008 | DOI: 10.1002/14651858.CD003552.pub2
Version 1
Skin patch and vaginal ring versus combined oral contraceptives for contraceptionMF Gallo, DA Grimes and KF Schulz
Article first published online: 17 OCT 2007 | DOI: 10.1002/14651858.CD003552
