PT - JOURNAL ARTICLE AU - Lemire, Francine TI - Calibrating DP - 2015 Jul 01 TA - Canadian Family Physician PG - 648--648 VI - 61 IP - 7 4099 - http://www.cfp.ca/content/61/7/648.short 4100 - http://www.cfp.ca/content/61/7/648.full SO - Can Fam Physician2015 Jul 01; 61