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Serum (A) leptin and (B) estradiol levels on day 19 of pregnancy in rat dams exposed to 15 μg of leptin or 10 mg of estradiol in between days 8 and 19 of gestation. All values are expressed as the mean ± SEM of 5–7 rats/group. Means with a different letter are significantly different from each other: p<0.05.
