Azithromycin maintenance treatment in patients with frequent exacerbations of chronic obstructive pulmonary disease (COLUMBUS): a randomised, double-blind, placebo-controlled trial

Authors: Sevim Uzun, Remco S. Djamin, Jan Kluytmans, Paul Mulder, Nils E. van’t Veer, Anton A. M. Ermens, Aline J. Pelle, Henk C. Hoogsteden, Joachim G.J.V. Aerts, Menno M. van der Eerden - The Lancet 2014 cited by 293