RT Journal Article SR Electronic T1 Left and right ventricular long-axis function and prognosis JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 262 OP 263 DO 10.1136/hrt.2006.109348 VO 94 IS 3 A1 Sanderson, John E YR 2008 UL http://heart.bmj.com/content/94/3/262.abstract AB