RT Journal Article SR Electronic T1 Clinical-Pathologic Correlations Vol. 4, No. 2 Cardiovascular Clinics JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 809 OP 809 DO 10.1136/jcp.26.10.809-c VO 26 IS 10 A1 Crawford, T. YR 1973 UL http://jcp.bmj.com/content/26/10/809.3.abstract AB