RT Journal Article SR Electronic T1 Massive cardiac involvement in acute lymphatic leukemia JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 354 OP 354 DO 10.1136/hrt.2003.022699 VO 90 IS 3 A1 Bekkers, B C A M A1 DenariƩ, B J A A1 Bos, G M J YR 2004 UL http://heart.bmj.com/content/90/3/354.abstract AB