title: The effects of different recording conditions on the estimates of affinity constants of antagonists for acetylcholine receptors in the guinea-pig ileum.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors*; D000818:Animals; D002217:Carbachol / Q000008:administration & dosage / Q000494:pharmacology; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009129:Muscle Tonus; D011950:Receptors, Cholinergic; D011955:Receptors, Drug
chemical_list: D011950:Receptors, Cholinergic; D011955:Receptors, Drug; D002217:Carbachol; D000109:Acetylcholine