title: Intrinsic rate and cholinergic sensitivity of isolated atria from trained and sedentary rats.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D003864:Depression, Chemical; D004305:Dose-Response Relationship, Drug; D006325:Heart Atria; D006339:Heart Rate / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D010809:Physical Fitness; D051381:Rats; D012849:Sinoatrial Node / Q000187:drug effects*
chemical_list: D000109:Acetylcholine