title: Echocardiographic and radiographic study of cardiac dimensions in relation to aerobic work capacity.
mesh_terms: D000328:Adult; D004452:Echocardiography; D005080:Exercise Test; D006321:Heart / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D006352:Heart Ventricles / Q000033:anatomy & histology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D010809:Physical Fitness; D011674:Pulse; D011859:Radiography