title: Influence of pseudopregnancy and sex hormones on conditioned behaviour in rats.
mesh_terms: D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D001835:Body Weight; D003213:Conditioning, Psychological / Q000187:drug effects*; D003864:Depression, Chemical; D004357:Drug Synergism; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D008297:Male; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000494:pharmacology*; D011388:Prolactin / Q000494:pharmacology; D011555:Pseudopregnancy; D051381:Rats
chemical_list: D011374:Progesterone; D004958:Estradiol; D011388:Prolactin