PT - JOURNAL ARTICLE AU - Yanchar, Natalie AU - Pianosi, Paul AU - Fraser, Robert TI - Oh Christmas Tree, Oh Christmas Tree ... AID - 10.1503/cmaj.045017 DP - 2004 Dec 07 TA - Canadian Medical Association Journal PG - 1435--1436 VI - 171 IP - 12 4099 - http://www.cmaj.ca/content/171/12/1435.short 4100 - http://www.cmaj.ca/content/171/12/1435.full SO - CMAJ2004 Dec 07; 171