[Effects of various drugs on the unipolar epicardial electrocardiogram of the isolated mammalian heart].
D000109:Acetylcholine / Q000494:pharmacology*; D000227:Adenine Nucleotides / Q000494:pharmacology*; D000818:Animals; D004562:Electrocardiography / Q000494:pharmacology*; D006321:Heart; D006801:Humans; D008322:Mammals; D013806:Theophylline / Q000494:pharmacology*
D000227:Adenine Nucleotides; D013806:Theophylline; D000109:Acetylcholine
ACETYLCHOLINE/pharmacology; ADENOSINE PHOSPHATES/pharmacology; ELECTROCARDIOGRAPHY/pharmacology; THEOPHYLLINE/pharmacology