title: Modulation of cholinergic activity and the aversive threshold in the rat.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D001362:Avoidance Learning / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D004357:Drug Synergism; D008297:Male; D010276:Parasympatholytics; D010830:Physostigmine / Q000494:pharmacology*; D010862:Pilocarpine / Q000494:pharmacology*; D051381:Rats; D012601:Scopolamine / Q000494:pharmacology*; D012602:Scopolamine Derivatives / Q000494:pharmacology; D013997:Time Factors
chemical_list: D010276:Parasympatholytics; D012602:Scopolamine Derivatives; D010862:Pilocarpine; D001285:Atropine; D010830:Physostigmine; D012601:Scopolamine