TY - JOUR T1 - Oh Christmas Tree, Oh Christmas Tree ... JF - Canadian Medical Association Journal JO - CMAJ SP - 1435 LP - 1436 DO - 10.1503/cmaj.045017 VL - 171 IS - 12 AU - Natalie Yanchar AU - Paul Pianosi AU - Robert Fraser Y1 - 2004/12/07 UR - http://www.cmaj.ca/content/171/12/1435.abstract ER -