Combined PET/CT-perfusion in patients with head and neck cancers might predict failure after radio-chemotherapy: a proof of concept study. - Carsten Pietsch; Felipe de Galiza Barbosa; Martin W. Hüllner; Daniel T. Schmid; Stephan K. Haerle; Gerhard F. Huber; Gabriela Studer; Thomas F. Hany; Patrick Veit-Haibach (BMC Medical Imaging, 2015)