Comparison of CT, MRI, and F-18 FDG PET/CT for initial N-staging of oral squamous cell carcinoma: a cost-effectiveness analysis. - Burian E; Palla B; Callahan N; Pyka T; Wolff C; von Schacky CE; Schmid A; Froelich MF; Rübenthaler J; Makowski MR; Gassert FG (European journal of nuclear medicine and molecular imaging, 2022)