PT - JOURNAL ARTICLE AU - K F Thomson AU - A Murphy AU - M J D Goodfield AU - S A Misbah TI - Is it useful to test for antibodies to extractable nuclear antigens in the presence of a negative antinuclear antibody on Hep-2 cells? AID - 10.1136/jcp.54.5.413 DP - 2001 May 01 TA - Journal of Clinical Pathology PG - 413--413 VI - 54 IP - 5 4099 - http://jcp.bmj.com/content/54/5/413.1.short 4100 - http://jcp.bmj.com/content/54/5/413.1.full SO - J Clin Pathol2001 May 01; 54