Influence of macrolide maintenance therapy and bacterial colonisation on exacerbation frequency and progression of COPD (COLUMBUS): Study protocol for a randomised controlled trial

by Uzun Sevim, Djamin Remco S, Kluytmans JanAJW, Van’t Veer Nils E, Ermens Anton A M, Pelle Aline J, Mulder Paul, van der Eerden Menno M, Aerts JoachimGJV
Published 2012-06-01