title: Cardiac acetylcholine content of three vertebrates.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism* / Q000494:pharmacology; D000818:Animals; D001835:Body Weight; D002025:Bufonidae; D005399:Fishes; D006168:Guinea Pigs; D006321:Heart; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism*; D009929:Organ Size; D051381:Rats; D013045:Species Specificity
chemical_list: D000109:Acetylcholine