[NYCTOHEMERAL VARIATIONS OF CARDIAC RATE IN THE DOG AT REST].
D004285:Dogs; D004562:Electrocardiography; D006334:Heart Function Tests; D006339:Heart Rate; D010507:Periodicity; D012106:Research
DOGS; ELECTROCARDIOGRAPHY; EXPERIMENTAL LAB STUDY; HEART FUNCTION TESTS; PERIODICITY
VARIATIONS NYCTH'EM'ERALES DE LA FR'EQUENCE CARDIAQUE DU CHIEN AU REPOS