PT - JOURNAL ARTICLE AU - Roger Collier TI - Medically necessary: Who should decide? AID - 10.1503/cmaj.109-4307 DP - 2012 Nov 06 TA - Canadian Medical Association Journal PG - 1770--1771 VI - 184 IP - 16 4099 - http://www.cmaj.ca/content/184/16/1770.short 4100 - http://www.cmaj.ca/content/184/16/1770.full SO - CMAJ2012 Nov 06; 184