18F-FDG PET for detecting recurrent head and neck cancer, local lymph node involvement and distant metastases. Comparison of qualitative visual and semiquantitative analysis. - Schmidt,M.; Schmalenbach,M.; Jungehulsing,M.; Theissen,P.; Dietlein,M.; Schroder,U.; Eschner,W.; Stennert,E.; Schicha,H. (Nuklearmedizin, 2004)