American Journal of Obstetrics & Gynecology
Volume 181, Issue 5, Supplement , Pages S45-S52 , November 1999

A multicenter randomized comparison of cycle control and laboratory findings with oral contraceptive agents containing 100 μg levonorgestrel with 20 μg ethinyl estradiol or triphasic norethindrone with ethinyl estradiol

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 Supported by Wyeth-Ayerst Research, Philadelphia, Pa.

☆☆ Reprint requests: Howard Reisman, MD, Atlanta North Gynecology, PC, 11050 Crabapple Rd, Suite 111D, Roswell, GA 30075.

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American Journal of Obstetrics & Gynecology
Volume 181, Issue 5, Supplement , Pages S45-S52 , November 1999