PT - JOURNAL ARTICLE AU - M Woollard AU - I Greaves TI - 4 Shortness of breath AID - 10.1136/emj.2004.014878 DP - 2004 May 01 TA - Emergency Medicine Journal PG - 341--350 VI - 21 IP - 3 4099 - http://emj.bmj.com/content/21/3/341.short 4100 - http://emj.bmj.com/content/21/3/341.full SO - Emerg Med J2004 May 01; 21