RT Journal Article SR Electronic T1 Lipomatous hypertrophy of the interatrial septum JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 111 OP 111 DO 10.1136/heart.88.1.111 VO 88 IS 1 A1 Haenen, N A1 Morshuis, W A1 Heijmen, R A1 Jaarsma, W YR 2002 UL http://heart.bmj.com/content/88/1/111.1.abstract AB