The morbidity of cardiac nondisease in schoolchildren.
D000293:Adolescent; D005080:Exercise Test; D005081:Exercise Therapy; D005190:Family; D006326:Heart Auscultation; D006330:Heart Defects, Congenital / Q000601:surgery; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D007049:Iatrogenic Disease; D008297:Male; D010290:Parents; D010817:Physician-Patient Relations; D012214:Rheumatic Heart Disease / Q000628:therapy