RT Journal Article SR Electronic T1 Transcatheter recanalisation and stenting of a closed ductus arteriosus in duct dependent lung perfusion JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 206 OP 207 DO 10.1136/hrt.80.2.206 VO 80 IS 2 A1 C Kampmann A1 C-F Wippermann A1 F-X Schmid YR 1998 UL http://heart.bmj.com/content/80/2/206.abstract AB