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Mean values for estrogen concentrations (pg/mL) in serum samples from 20 postmenopausal women (mean age 60.0) and 20 older men (mean age 61.6). (A) Unconjugated serum estrogens in postmenopausal women. (B) Conjugated serum estrogens in postmenopausal women. (C) Total serum estrogens in postmenopausal women. (D) Unconjugated serum estrogens in older men. (E) Conjugated serum estrogens in older men. (F) Total serum estrogens in older men. Individual values ± SEM are shown.
