RT Journal Article SR Electronic T1 Transcatheter closure of the aortopulmonary window in a symptomatic infant using the Amplatzer ductal occluder JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr2006109298 DO 10.1136/bcr.2006.109298 VO 2009 A1 Sangeetha Viswanathan A1 Balu Vaidyanathan A1 R Krishna Kumar YR 2009 UL http://casereports.bmj.com/content/2009/bcr.2006.109298.abstract AB