PT - JOURNAL ARTICLE ED - , TI - Clinical Immunology AID - 10.7861/clinmedicine.6-4-360 DP - 2006 Jul 01 TA - Clinical Medicine PG - 360--362 VI - 6 IP - 4 4099 - http://www.rcpjournals.org/content/6/4/360.short 4100 - http://www.rcpjournals.org/content/6/4/360.full SO - Clin Med2006 Jul 01; 6