RT Journal Article SR Electronic T1 Survey of management of patent ductus arteriosus in neonatal units across England JF Archives of Disease in Childhood - Fetal and Neonatal Edition JO Arch Dis Child Fetal Neonatal Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP F465 OP F466 DO 10.1136/archdischild-2013-304317 VO 98 IS 5 A1 Anay Kulkarni A1 Justin Richards A1 Donovan Duffy YR 2013 UL http://fn.bmj.com/content/98/5/F465.abstract AB