title: Evidence for active closure of patent ductus arteriosus in very preterm infants.
authors.forename: David B
authors.initials: DB
authors.lastname: Knight
authors.forename: Matthew M
authors.initials: MM
authors.lastname: Laughon
mesh_terms: D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging / Q000401:mortality / Q000628:therapy*; D005260:Female; D006491:Hemothorax / Q000517:prevention & control*; D006801:Humans; D007213:Indomethacin / Q000627:therapeutic use*; D007231:Infant, Newborn; D007234:Infant, Premature; D019102:Infant, Very Low Birth Weight; D008297:Male; D015201:Meta-Analysis as Topic; D010100:Oxygen / Q000627:therapeutic use; D011379:Prognosis; D016032:Randomized Controlled Trials as Topic; D012121:Respiration, Artificial / Q000379:methods; D018570:Risk Assessment; D016019:Survival Analysis; D018608:Ultrasonography, Doppler
chemical_list: D010100:Oxygen; D007213:Indomethacin