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☆☆☆★

Roswell, Georgia, Baltimore, Maryland, and Radnor, Pennsylvania

From Atlanta North Gynecology, PC,a Johns Hopkins Medical Services,b and Wyeth-Ayerst Research.c A complete listing of principal investigators and sites participating in this study appears at the end of the article

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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.

★ 0002-9378/99 $8.00 + 0 6/0/102577

PII: S0002-9378(99)70363-7

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

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