Effect of long term treatment with salmeterol on asthma control: a double blind, randomised crossover study
Wilding, Paul ; Clark, Miranda ; Coon, Joanna Thompson ; Lewis, Sarah ; Rushton, Lesley ; Bennett, Jon ; Oborne, Janet ; Cooper, Susan ; Tattersfield, Anne E
BMJ, 1997-05, Vol.314 (7092), p.1441-1446 [Periódico revisado por pares]London: British Medical Journal Publishing Group
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