Jarjour NN, Wilson SJ, Koenig SM, Laviolette M, Moore WC, Davis WB, Doherty DE, Hamid Q, Israel E, Kavuru MS, Ramsdell JW, Tashkin DP, Reilly DS, Yancey SW, Edwards LD, Stauffer JL, Dorinsky PM, Djukanovic R. Control of airway inflammation maintained at a lower steroid dose with 100/50 microg of fluticasone propionate/salmeterol. J Allergy Clin Immunol. 2006 Jul; 118(1):44-52.