PT - JOURNAL ARTICLE AU - Siemens, Isaac TI - Substitute decision making and code status at end of life AID - 10.46747/cfp.6810743 DP - 2022 Oct 01 TA - Canadian Family Physician PG - 743--745 VI - 68 IP - 10 4099 - http://www.cfp.ca/content/68/10/743.short 4100 - http://www.cfp.ca/content/68/10/743.full SO - Can Fam Physician2022 Oct 01; 68