[Effect of physical effort on electrocardiographic changes. I. Effect of severe physical effort].
D004562:Electrocardiography; D006801:Humans; D001523:Mental Disorders; D005082:Physical Exertion; D013312:Stress, Physiological
ELECTROCARDIOGRAPHY; STRESS/effects
Izmenenie elektrokardiogrammy pof vliianiem fizicheskoi nagruzki. I. Vliianie tiazhelykh fizicheskikh nagruzok.