title: Sex steroids in reproductive tract tissues: regulation of estradiol concentrations by progesterone.
mesh_terms: D000818:Animals; D004958:Estradiol / Q000378:metabolism* / Q000494:pharmacology; D005187:Fallopian Tubes / Q000378:metabolism*; D005260:Female; D000882:Haplorhini; D008253:Macaca mulatta; D009132:Muscles / Q000378:metabolism; D011374:Progesterone / Q000378:metabolism / Q000494:pharmacology*; D011863:Radioimmunoassay; D051381:Rats; D014599:Uterus / Q000378:metabolism*
chemical_list: D011374:Progesterone; D004958:Estradiol