RT Journal Article SR Electronic T1 Peptic ulceration affecting the left ventricle. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 630 OP 631 DO 10.1136/thx.38.8.630 VO 38 IS 8 A1 A Kennedy YR 1983 UL http://thorax.bmj.com/content/38/8/630.abstract AB