title: The actions of atropine, tropenziline and N-butyl hyoscine bromide on the isolated distal colon of the guinea-pig: a comparison of their activities and mechanisms of action.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D001561:Benzilates / Q000494:pharmacology*; D003106:Colon / Q000187:drug effects* / Q000378:metabolism; D003864:Depression, Chemical; D004558:Electric Stimulation; D005730:Ganglionic Blockers; D006168:Guinea Pigs; D066298:In Vitro Techniques; D010276:Parasympatholytics / Q000494:pharmacology; D012601:Scopolamine / Q000494:pharmacology*; D011984:Sensory Receptor Cells / Q000187:drug effects; D014326:Tropanes / Q000494:pharmacology*
chemical_list: D001561:Benzilates; D005730:Ganglionic Blockers; D010276:Parasympatholytics; D014326:Tropanes; D001285:Atropine; D012601:Scopolamine; D000109:Acetylcholine