PT - JOURNAL ARTICLE AU - William M. Glenn TI - Wendy V. Norman MD MHSc CCFP FCFP DP - 2015 Jun 01 TA - Canadian Family Physician PG - 545--547 VI - 61 IP - 6 4099 - http://www.cfp.ca/content/61/6/545.2.short 4100 - http://www.cfp.ca/content/61/6/545.2.full SO - Can Fam Physician2015 Jun 01; 61