RT Journal Article SR Electronic T1 Immunology Simplified JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 310 OP 310 DO 10.1136/jcp.32.3.310-b VO 32 IS 3 A1 Denman, A. M. YR 1979 UL http://jcp.bmj.com/content/32/3/310.2.abstract AB