PT - JOURNAL ARTICLE AU - C J Stewart TI - Is the proficiency test in cervical cytology proficient? AID - 10.1136/jcp.50.6.450 DP - 1997 Jun 01 TA - Journal of Clinical Pathology PG - 450--453 VI - 50 IP - 6 4099 - http://jcp.bmj.com/content/50/6/450.short 4100 - http://jcp.bmj.com/content/50/6/450.full SO - J Clin Pathol1997 Jun 01; 50