Nasal carriage of Staphylococcus aureus and endonasal activity in Wegener's granulomatosis as compared to rheumatoid arthritis and chronic rhinosinusitis with nasal polyps

Martin Laudien^*, Stephan D. Gadola, Rainer Podschun, Jürgen Hedderich, Jens Paulsen, Eva Relnhold-Keller, Elena Csernok, Petra Ambrosch, Bernhard Hellmich, Frank Moosig, Wolfgang L. Gross, Hany Sahly, Peter Lamprecht