Boulet, L P Tolerance to the protective effects of salmeterol on methacholine-induced bronchoconstriction: influence of inhaled corticosteroids. [electronic resource] - The European respiratory journal May 1998 - 1091-7 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0903-1936 Standard No.: 10.1183/09031936.98.11051091 doi Subjects--Topical Terms: Administration, InhalationAdolescentAdrenal Cortex Hormones--administration & dosageAdrenergic beta-Agonists--therapeutic useAdultAlbuterol--analogs & derivativesAsthma--diagnosisBronchoconstrictor AgentsCross-Over StudiesDouble-Blind MethodDrug ToleranceFemaleForced Expiratory Volume--drug effectsHumansMaleMethacholine ChlorideMiddle AgedPeak Expiratory Flow Rate--drug effectsSalmeterol Xinafoate