TY - JOUR T1 - Can you hear me? JF - Canadian Family Physician JO - Can Fam Physician SP - 907 LP - 909 VL - 60 IS - 10 AU - Alex Won-Pang Cheng AU - Zoƫ Mitchell AU - John Foote Y1 - 2014/10/01 UR - http://www.cfp.ca/content/60/10/907.abstract N2 - ER -