title: [Two kinds of affinity of muscarinic receptors in the intestinal smooth muscles of the mouse for acetylcholine, atropine and 3H QNB].
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D001665:Binding Sites; D007422:Intestines; D008297:Male; D051379:Mice; D008813:Mice, Inbred ICR; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D011976:Receptors, Muscarinic / Q000378:metabolism*
chemical_list: D011976:Receptors, Muscarinic; D001285:Atropine; D000109:Acetylcholine