Experience with combination of cisplatin plus gemcitabine chemotherapy and intensity-modulated radiotherapy for locoregionally advanced nasopharyngeal carcinoma
(1) Department of Radiation Oncology, Fudan University Shanghai Cancer Center, 200032 Shanghai, China;(2) Department of Oncology, Shanghai Medical College, Fudan University, 399 Ling Ling Road, 200032 Shanghai, China;