title: On the relationship between the deficient performance of hypophysectomized rats in shuttle-box conditioning and the RNA metabolism in their brain stem.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D001933:Brain Stem / Q000378:metabolism*; D003213:Conditioning, Psychological; D007016:Hypophysectomy; D010902:Pituitary Gland / Q000502:physiology*; D012313:RNA / Q000096:biosynthesis*; D051381:Rats
chemical_list: D012313:RNA