title: Proceedings: Two populations of acetylcholine receptors in guinea-pig ileum.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001561:Benzilates / Q000494:pharmacology; D002794:Choline / Q000494:pharmacology; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects*; D066298:In Vitro Techniques; D009130:Muscle, Smooth / Q000648:ultrastructure; D009150:Mustard Compounds / Q000494:pharmacology; D011950:Receptors, Cholinergic; D014316:Tritium
chemical_list: D001561:Benzilates; D009150:Mustard Compounds; D011950:Receptors, Cholinergic; D014316:Tritium; D002794:Choline; D000109:Acetylcholine