PT - JOURNAL ARTICLE AU - C Birch AU - A Hawker AU - J Marshall AU - I Gust TI - The authors comment AID - 10.1136/jcp.33.4.414 DP - 1980 Apr 01 TA - Journal of Clinical Pathology PG - 414--415 VI - 33 IP - 4 4099 - http://jcp.bmj.com/content/33/4/414.short 4100 - http://jcp.bmj.com/content/33/4/414.full SO - J Clin Pathol1980 Apr 01; 33