RT Journal Article SR Electronic T1 Balloon atrial septostomy for total anomalous pulmonary venous return. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 752 OP 757 DO 10.1136/hrt.35.7.752 VO 35 IS 7 A1 Mullins, C E A1 el-Said, G M A1 Neches, W H A1 Williams, R L A1 Vargo, T A A1 Nihill, M R A1 McNamara, D G YR 1973 UL http://heart.bmj.com/content/35/7/752.abstract AB