RT Journal Article SR Electronic T1 Essential Histopathology JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 611 OP 611 DO 10.1136/jcp.43.7.611-b VO 43 IS 7 A1 Slavin, G YR 1990 UL http://jcp.bmj.com/content/43/7/611.2.abstract AB