Clinical outcomes of theophylline use as add-on therapy in patients with chronic obstructive pulmonary disease: A propensity score matching analysis

por Wilairat, Preyanate, Kengkla, Kirati, Thayawiwat, Chaiyawat, Phlaisaithong, Phongsathorn, Somboonmee, Supakorn, Saokaew, Surasak
Publicado 2018