RT Journal Article SR Electronic T1 Special Topics in Endocrinology and Metabolism JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 120 OP 121 DO 10.1136/jcp.35.1.120-c VO 35 IS 1 A1 Pennington, GW YR 1982 UL http://jcp.bmj.com/content/35/1/120.3.abstract AB