Effect of Theophylline as Adjunct to Inhaled Corticosteroids on Exacerbations in Patients With COPD: A Randomized Clinical Trial

Devereux, Graham ; Cotton, Seonaidh ; Fielding, Shona ; McMeekin, Nicola ; Barnes, Peter J ; Briggs, Andrew ; Burns, Graham ; Chaudhuri, Rekha ; Chrystyn, Henry ; Davies, Lisa ; De Soyza, Anthony ; Gompertz, Simon ; Haughney, John ; Innes, Karen ; Kaniewska, Joanna ; Lee, Amanda ; Morice, Alyn ; Norrie, John ; Sullivan, Anita ; Wilson, Andrew ; Price, David

JAMA : the journal of the American Medical Association, 2018-10, Vol.320 (15), p.1548-1559 [Periódico revisado por pares]

United States: American Medical Association

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