Evaluation of head and neck cancer with 18F-FDG PET: a comparison with conventional methods. - Kresnik,E.; Mikosch,P.; Gallowitsch,H.J.; Kogler,D.; Wieser,S.; Heinisch,M.; Unterweger,O.; Raunik,W.; Kumnig,G.; Gomez,I.; Grünbacher,G.; Lind,P. (Eur J Nucl Med, 2001)