Altered glucose metabolism during chemoradiation for head and neck cancer - Nguyen, N P; Vos, P; Vinh-Hung, V; Borok, T L; Dutta, S; Karlsson, U; Lee, H; Martinez, T; Jo, B H; Nguyen, L M; Nguyen, N; Sallah, S (Anticancer Res, 2009)