[Electrocardiographic studies on the effect of halothane on the heart].
D000368:Aged; D000777:Anesthetics / Q000494:pharmacology*; D004562:Electrocardiography / Q000494:pharmacology*; D006221:Halothane; D006321:Heart / Q000494:pharmacology*; D006801:Humans
D000777:Anesthetics; D006221:Halothane
ANESTHETICS/pharmacology; ELECTROCARDIOGRAPHY/pharmacology; HEART/pharmacology