TY - JOUR T1 - Safety of long-acting β<sub>2</sub>-agonists in the management of asthma JF - Canadian Family Physician JO - Can Fam Physician SP - 119 LP - 120 VL - 56 IS - 2 AU - Anthony D. D’Urzo AU - Pieter Jugovic AU - Jacques Bouchard AU - Reuven Jhirad AU - Itamar Tamari Y1 - 2010/02/01 UR - http://www.cfp.ca/content/56/2/119.abstract N2 - ER -