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Azithromycin maintenance treatment in patients with frequent exacerbations of chronic obstructive pulmonary disease (COLUMBUS): a randomised, double-blind, placebo-controlled trial.
Uzun S, Djamin RS, Kluytmans JA, Mulder PG, van't Veer NE, Ermens AA, Pelle AJ, Hoogsteden HC, Aerts JG, van der Eerden MM. Uzun S, et al. Among authors: ermens aa. Lancet Respir Med. 2014 May;2(5):361-8. doi: 10.1016/S2213-2600(14)70019-0. Epub 2014 Apr 15. Lancet Respir Med. 2014. PMID: 24746000 Clinical Trial.
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