PT - JOURNAL ARTICLE AU - Lauren Vogel TI - Legal ambiguities surround authority to make end-of-life decisions AID - 10.1503/cmaj.109-3910 DP - 2011 Jul 12 TA - Canadian Medical Association Journal PG - E617--E618 VI - 183 IP - 10 4099 - http://www.cmaj.ca/content/183/10/E617.short 4100 - http://www.cmaj.ca/content/183/10/E617.full SO - CMAJ2011 Jul 12; 183