Consequences of chronic kidney disease in chronic obstructive pulmonary disease oleh Franziska C. Trudzinski, Mohamad Alqudrah, Albert Omlor, Stephen Zewinger, Danilo Fliser, Timotheus Speer, Frederik Seiler, Frank Biertz, Armin Koch, Claus Vogelmeier, Tobias Welte, Henrik Watz, Benjamin Waschki, Sebastian Fähndrich, Rudolf Jörres, Robert Bals, on behalf of the German COSYCONET consortium