Combination therapy with a long-acting beta-agonist and a leukotriene antagonist in moderate asthma.

Deykin A, Wechsler ME, Boushey HA, Chinchilli VM, Kunselman SJ, Craig TJ, DiMango E, Fahy JV, Kraft M, Leone F, Lazarus SC, Lemanske RF, Martin RJ, Pesola GR, Peters SP, Sorkness CA, Szefler SJ, Israel E