RT Journal Article SR Electronic T1 Paradoxical Embolism JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 316 OP 332 DO 10.1136/jcp.4.3.316 VO 4 IS 3 A1 Johnson, B. I. YR 1951 UL http://jcp.bmj.com/content/4/3/316.abstract AB