[BEHAVIOR OF THE ECG DURING PREANESTHESIA AND ANESTHESIA IN GENERAL SURGICAL OPERATIONS].
D000758:Anesthesia; D000769:Anesthesia, Inhalation; D000776:Anesthesiology; D004562:Electrocardiography; D006801:Humans; D011229:Preanesthetic Medication
ANESTHESIA, INHALATION; ELECTROCARDIOGRAPHY; PREANESTHETIC MEDICATION