PT - JOURNAL ARTICLE ED - , TI - Drs Ellis and Hitchock comment AID - 10.1136/jcp.42.8.891-b DP - 1989 Aug 01 TA - Journal of Clinical Pathology PG - 891--891 VI - 42 IP - 8 4099 - http://jcp.bmj.com/content/42/8/891.2.short 4100 - http://jcp.bmj.com/content/42/8/891.2.full SO - J Clin Pathol1989 Aug 01; 42