TY - JOUR T1 - Rebuttal: Can electronic cigarettes assist patients with smoking cessation? JF - Canadian Family Physician JO - Can Fam Physician SP - e256 LP - e256 VL - 61 IS - 6 AU - Suzanne Levitz Y1 - 2015/06/01 UR - http://www.cfp.ca/content/61/6/e256.abstract N2 - ER -