title: Effects of progesterone and nesting materials on response prevention and extinction of avoidance in rats.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D001522:Behavior, Animal / Q000187:drug effects; D003216:Conditioning, Operant; D004597:Electroshock; D004777:Environment; D005108:Extinction, Psychological; D005260:Female; D009042:Motivation; D009425:Nesting Behavior / Q000187:drug effects; D011187:Posture; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats
chemical_list: D011374:Progesterone