title: Inhibitory actions of progesterone on hormonal induction of estrus in female guinea pigs.
mesh_terms: D000818:Animals; D003864:Depression, Chemical; D004958:Estradiol / Q000494:pharmacology*; D004971:Estrus / Q000187:drug effects*; D005260:Female; D006168:Guinea Pigs; D011187:Posture; D011247:Pregnancy; D011374:Progesterone / Q000097:blood / Q000494:pharmacology*; D012726:Sexual Behavior, Animal / Q000187:drug effects; D013997:Time Factors
chemical_list: D011374:Progesterone; D004958:Estradiol