@article {Redmond:April 1997:0029-7844:615, author = "Redmond G.P.", author = "Olson W.H.", author = "Lippman J.S.", author = "Kafrissen M.E.", author = "Jones T.M.", author = "Jorizzo J.L.", title = "Norgestimate and Ethinyl Estradiol in the Treatment of Acne Vulgaris: A Randomized, Placebo-Controlled Trial", journal = "Obstetrics and Gynecology", volume = "89", year = "April 1997", abstract = "", pages = "615-622(8)", url = "http://www.ingentaconnect.com/content/els/00297844/1997/00000089/00000004/art00059" doi = "doi:10.1016/S0029-7844(97)00059-8" }