title: Uterine progesterone receptors in the guinea-pig foetus: changes with gestational age and induction by oestrogens [proceedings].
mesh_terms: D000818:Animals; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D005333:Fetus / Q000378:metabolism*; D005865:Gestational Age; D006168:Guinea Pigs; D011247:Pregnancy; D011980:Receptors, Progesterone / Q000096:biosynthesis*; D014599:Uterus / Q000378:metabolism*
chemical_list: D011980:Receptors, Progesterone; D004958:Estradiol