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Cumulative production of progesterone (ng/well ± SEM; n = 6, 2 cultures from each of 3 fetuses) by ovarian pieces from fetal bovine ovaries (80 to 89 d of gestation) cultured for 10 d in control medium with or without FSH (100 ng/mL) and (or) LH (100 ng/mL), in the presence (open bars) or absence (black bars) of testosterone (T, 0.5 μM). Means with no common letters (-T: a,b,c and +T: y,z) are different (P < 0.05).
