Systolic time intervals in essential hypertension. Effect of graded exercise in the sitting position.
D000328:Adult; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography; D005082:Physical Exertion; D011187:Posture; D011674:Pulse