PT - JOURNAL ARTICLE ED - , TI - Dr Symth <em>et al</em> comment AID - 10.1136/jcp.42.8.892-c DP - 1989 Aug 01 TA - Journal of Clinical Pathology PG - 892--893 VI - 42 IP - 8 4099 - http://jcp.bmj.com/content/42/8/892.3.short 4100 - http://jcp.bmj.com/content/42/8/892.3.full SO - J Clin Pathol1989 Aug 01; 42