PT - JOURNAL ARTICLE AU - DS Almond TI - Emergency medicine AID - 10.7861/clinmedicine.5-2-173 DP - 2005 Mar 01 TA - Clinical Medicine PG - 173--175 VI - 5 IP - 2 4099 - http://www.rcpjournals.org/content/5/2/173.short 4100 - http://www.rcpjournals.org/content/5/2/173.full SO - Clin Med2005 Mar 01; 5