RT Journal Article SR Electronic T1 Doctors Levison and Blackshaw reply JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 696 OP 697 DO 10.1136/jcp.39.6.696-c VO 39 IS 6 A1 Levison, DA A1 Blackshaw, AJ YR 1986 UL http://jcp.bmj.com/content/39/6/696.3.abstract AB