title: Estrogen-like compounds and progesterone in male and female rats before puberty--I. Pattern and origin.
mesh_terms: D000315:Adrenalectomy; D000375:Aging; D000818:Animals; D002369:Castration; D004958:Estradiol / Q000097:blood*; D004970:Estrone / Q000097:blood*; D005260:Female; D008297:Male; D011374:Progesterone / Q000097:blood*; D011863:Radioimmunoassay / Q000379:methods; D051381:Rats; D012737:Sex Factors; D012741:Sexual Maturation; D000509:alpha-Fetoproteins
chemical_list: D000509:alpha-Fetoproteins; D004970:Estrone; D011374:Progesterone; D004958:Estradiol