RT Journal Article SR Electronic T1 The Howie Code. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 798 DO 10.1136/jcp.33.8.798-b VO 33 IS 8 A1 Wilson, A YR 1980 UL http://jcp.bmj.com/content/33/8/798.2.abstract AB