Prevalence and abundance of selected genes conferring macrolide resistance genes in COPD patients during maintenance treatment with azithromycin oleh Remco S. Djamin, Sander Talman, Eefje J. A. Schrauwen, Christian J. H. von Wintersdorff, Petra F. Wolffs, Paul H. M. Savelkoul, Sevim Uzun, René Kerstens, Menno M. van der Eerden, Jan A. J. W. Kluytmans