Magnetic resonance imaging to assess the effect of exercise training on pulmonary perfusion and blood flow in patients with pulmonary hypertension - Ley, Sebastian; Fink, Christian; Risse, Frank; Benjamin, Nicola; Fischer, Christine; Ley-Zaporozhan, Julia; Kauczor, Hans-Ulrich; Klose, Hans; Grünig, Ekkehard (European radiology, 2013)