[Research on the duration of the electrical systole in senile patients].
D000368:Aged / Q000502:physiology; D004560:Electricity; D004562:Electrocardiography; D006801:Humans; D012106:Research; D013599:Systole
AGED/physiology; ELECTROCARDIOGRAPHY
Ricerche sulla durata della sistole elettrica nell'etá senile.