Magnetic resonance imaging detects changes in structure and perfusion, and response to therapy in early cystic fibrosis lung disease - Wielpütz, Mark Oliver; Eichinger, Monika; Mall, Marcus A.; Puderbach, Michael; Stahl, Mirjam; Fritzsching, Eva; Sommerburg, Olaf; Ley, Sebastian; Sumkauskaite, Migle; Biederer, Jürgen; Kauczor, Hans-Ulrich (American journal of respiratory and critical care medicine, 2014)