Long term effects of inhaled corticosteroids in chronic obstructive pulmonary disease: A meta-analysis: A meta-analysis

P. M. Van Grunsven^*, C. P. Van Schayck, J. P. Derenne, H. A.M. Kerstjens, T. E.J. Renkema, D. S. Postma, T. Similowski, R. P. Akkermans, P. C.M. Pasker-De Jong, P. N.R. Dekhuijzen, C. L.A. Van Herwaarden, C. Van Weel