PT - JOURNAL ARTICLE AU - Erica Weir TI - Using the Upshur principles to discuss medical fitness to drive DP - 2017 Apr 01 TA - Canadian Family Physician PG - 269--272 VI - 63 IP - 4 4099 - http://www.cfp.ca/content/63/4/269.short 4100 - http://www.cfp.ca/content/63/4/269.full SO - Can Fam Physician2017 Apr 01; 63