Authors: SALEH WA BURKMAN RT ZACUR HA KIMBALL AW KWITEROVICH P BELL WK

Citation: Wa. Saleh et al., A RANDOMIZED TRIAL OF 3 ORAL-CONTRACEPTIVES - COMPARISON OF BLEEDING PATTERNS BY CONTRACEPTIVE TYPES AND STEROID-LEVELS, American journal of obstetrics and gynecology, 168(6), 1993, pp. 1740-1747