PT - JOURNAL ARTICLE ED - , TI - Corrections AID - 10.1136/jcp.42.4.447-a DP - 1989 Apr 01 TA - Journal of Clinical Pathology PG - 447--447 VI - 42 IP - 4 4099 - http://jcp.bmj.com/content/42/4/447.1.short 4100 - http://jcp.bmj.com/content/42/4/447.1.full SO - J Clin Pathol1989 Apr 01; 42