PT - JOURNAL ARTICLE AU - William M. Glenn TI - Melanie MacCara MD CCFP FCFP DP - 2014 May 01 TA - Canadian Family Physician PG - 467--469 VI - 60 IP - 5 4099 - http://www.cfp.ca/content/60/5/467.2.short 4100 - http://www.cfp.ca/content/60/5/467.2.full SO - Can Fam Physician2014 May 01; 60