title: Ligation of the patent ductus arteriosus in premature infants: report of 45 cases.
mesh_terms: D001724:Birth Weight; D004374:Ductus Arteriosus, Patent / Q000150:complications / Q000401:mortality / Q000601:surgery*; D005260:Female; D006470:Hemorrhage / Q000150:complications; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000601:surgery*; D008026:Ligation; D008297:Male; D011379:Prognosis; D012127:Respiratory Distress Syndrome, Newborn / Q000150:complications