title: Incidence and treatment of the patent ductus arteriosus in the ill premature neonate.
mesh_terms: D001724:Birth Weight; D001998:Bronchopulmonary Sequestration / Q000209:etiology; D004373:Ductus Arteriosus / Q000601:surgery; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis / Q000453:epidemiology*; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006333:Heart Failure / Q000209:etiology; D006339:Heart Rate; D006529:Hepatomegaly / Q000209:etiology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis; D007235:Infant, Premature, Diseases / Q000453:epidemiology* / Q000601:surgery; D008297:Male; D011654:Pulmonary Edema / Q000209:etiology; D012127:Respiratory Distress Syndrome, Newborn / Q000209:etiology; D012737:Sex Factors