Cardiac time components of boys 7-14 years of age.
D000293:Adolescent; D000367:Age Factors; D001696:Biomechanical Phenomena; D002302:Cardiac Output; D002339:Carotid Arteries / Q000502:physiology; D002648:Child; D004562:Electrocardiography; D005163:Factor Analysis, Statistical; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D010701:Phonocardiography; D005082:Physical Exertion; D011674:Pulse; D013997:Time Factors