Assessment of renal function after conformal radiotherapy and intensity-modulated radiotherapy by functional H-1-MRI and (23) Na-MRI - Haneder, Stefan; Michaely, Henrik J. M.; Schönberg, Stefan; Konstandin, Simon; Schad, Lothar R.; Wertz, Hansjörg; Wenz, Frederik; Lohr, Frank; Boda-Heggemann, Judit (Strahlentherapie und Onkologie, 2012)