Salmeterol and fluticasone propionate and survival in chronic obstructive pulmonary disease by Calverley Peter M A, Anderson Julie A, Celli Bartolome, Ferguson Gary T, Jenkins Christine, Jones Paul W, Yates Julie C, Vestbo Jørgen, TORCH investigators in The New England journal of medicine (2007). PubMed


Long-acting beta-agonists and inhaled corticosteroids are used to treat chronic obstructive pulmonary disease (COPD), but their effect on survival is unknown.

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