Variations in the MHC region confer risk to esophageal squamous cell carcinoma on the subjects from high-incidence area in northern China. oleh Fang-Fang Shen, Wen-Bin Yue, Fu-You Zhou, Ying Pan, Xue-Ke Zhao, Yan Jin, Xin Song, Bei Li, Xue-Na Han, Sa Tang, Yan Li, Guo Yuan, Li-Sha Chen, Ya-Li Liu, Yan-Long Hu, Xiu-Min Li, Jing-Li Ren, Li-Dong Wang