PT - JOURNAL ARTICLE AU - Atma Persad TI - A missed diagnosis AID - 10.1503/cmaj.1041518 DP - 2004 Dec 07 TA - Canadian Medical Association Journal PG - 1439--1439 VI - 171 IP - 12 4099 - http://www.cmaj.ca/content/171/12/1439.short 4100 - http://www.cmaj.ca/content/171/12/1439.full SO - CMAJ2004 Dec 07; 171