RT Journal Article SR Electronic T1 BALL THROMBUS OF THE HEART JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 34 OP 38 DO 10.1136/hrt.10.1.34 VO 10 IS 1 A1 M. E. Evans YR 1948 UL http://heart.bmj.com/content/10/1/34.abstract AB