TY - JOUR T1 - Smile! JF - Canadian Family Physician JO - Can Fam Physician SP - 497 LP - 498 VL - 65 IS - 7 AU - Arundhati Dhara Y1 - 2019/07/01 UR - http://www.cfp.ca/content/65/7/497.abstract N2 - ER -