Echo time-dependent observed T1 and quantitative perfusion in chronic obstructive pulmonary disease using magnetic resonance imaging oleh Simon M. F. Triphan, Simon M. F. Triphan, Marilisa Konietzke, Marilisa Konietzke, Marilisa Konietzke, Jürgen Biederer, Jürgen Biederer, Jürgen Biederer, Jürgen Biederer, Monika Eichinger, Monika Eichinger, Monika Eichinger, Claus F. Vogelmeier, Rudolf A. Jörres, Hans-Ulrich Kauczor, Hans-Ulrich Kauczor, Hans-Ulrich Kauczor, Claus P. Heußel, Claus P. Heußel, Bertram J. Jobst, Bertram J. Jobst, Bertram J. Jobst, Mark O. Wielpütz, Mark O. Wielpütz, Mark O. Wielpütz, on behalf of the COSYCONET study group