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Smallwood GH, Meador ML, Lenihan JP, Shangold GA, Fisher AC, Creasy GW; ORTHO EVRA/EVRA 002 Study Group. Efficacy and safety of a transdermal contraceptive system. Obstet Gynecol. 2001 Nov;98(5 Pt 1):799–805. doi: 10.1016/s0029-7844(01)01534-4. PMID: 11704172. |