title: Spontaneous closure of small ventricular septal defects. probability rates in the first five years of life.
mesh_terms: D000367:Age Factors; D006332:Cardiomegaly / Q000000981:diagnostic imaging; D002675:Child, Preschool; D004562:Electrocardiography; D005500:Follow-Up Studies; D006326:Heart Auscultation; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis; D006801:Humans; D007223:Infant; D008396:Maryland; D010701:Phonocardiography; D011336:Probability; D011859:Radiography