TY - JOUR T1 - The role of atypical respiratory pathogens in exacerbations of chronic obstructive pulmonary disease JF - European Respiratory Journal JO - Eur Respir J DO - 10.1183/09031936.00012707 AU - B.M.W. Diederen AU - P.D.L.P.M. van der Valk AU - J.A.W.J. Kluytmans AU - M.F. Peeters AU - R. Hendrix Y1 - 2007/04/25 UR - http://erj.ersjournals.com/content/early/2007/04/25/09031936.00012707.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -