title: The effect of external potassium on the elementary conductance of the ACh-induced potassium channel in the sino-atrial node.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism*; D000818:Animals; D066298:In Vitro Techniques; D007473:Ion Channels / Q000378:metabolism*; D009431:Neural Conduction / Q000187:drug effects*; D011188:Potassium / Q000378:metabolism / Q000494:pharmacology*; D011817:Rabbits; D011950:Receptors, Cholinergic / Q000378:metabolism; D012849:Sinoatrial Node / Q000378:metabolism* / Q000502:physiology
chemical_list: D007473:Ion Channels; D011950:Receptors, Cholinergic; D000109:Acetylcholine; D011188:Potassium