Du, Xiao-Jing Circulating EBV DNA, Globulin and Nodal Size Predict Distant Metastasis after Intensity-Modulated Radiotherapy in Stage II Nasopharyngeal Carcinoma. [electronic resource] - Journal of Cancer 2016 - 664-70 p. digital Publication Type: Journal Article ISSN: 1837-9664 Standard No.: 10.7150/jca.14183 doi