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Uterine artery volume flow (in ml·min−1·kg−1 maternal body wt) on days 60 and 160 of gestation in baboons untreated (n = 8) and on day 160 in animals treated daily beginning on day 100 with letrozole (n = 6) or letrozole plus estradiol (n = 6). Values represent means (±SE) of average value in left and right uterine arteries. *Each of the values on day 160 are greater (P < 0.01) than on day 60.
