[AN ATTACHEMENT TO THE ELECTROCARDIOGRAPH FOR THE REGISTRATION OF PULSE].
D002320:Cardiovascular Physiological Phenomena; D004562:Electrocardiography; D004864:Equipment and Supplies; D006339:Heart Rate; D011674:Pulse; D012106:Research
ELECTROCARDIOGRAPHY; EQUIPMENT AND SUPPLIES; EXPERIMENTAL LAB STUDY; PULSE
PRISTAVKA K ELEKTROKARDIOGRAFU DLIA REGISTRATSII PUL'SA.