title: [Effects of huperzine A on learning and the retrieval process of discrimination performance in rats].
mesh_terms: D000470:Alkaloids; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004193:Discrimination Learning / Q000187:drug effects*; D006426:Hemicholinium 3 / Q000494:pharmacology; D008297:Male; D008568:Memory / Q000187:drug effects*; D010830:Physostigmine / Q000494:pharmacology; D051381:Rats; D012601:Scopolamine / Q000494:pharmacology; D012717:Sesquiterpenes / Q000494:pharmacology*
chemical_list: D000470:Alkaloids; D012717:Sesquiterpenes; C050426:huperzine A; D006426:Hemicholinium 3; D001285:Atropine; D010830:Physostigmine; D012601:Scopolamine