title: Ligation of patent ductus arteriosus in infants weighing less than 1500 grams.
mesh_terms: D000768:Anesthesia, General; D004374:Ductus Arteriosus, Patent / Q000601:surgery*; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008026:Ligation