4Liu J, Li C, Ou W, et al. Nitric oxide prodrugs and metallo chemotherapeu - ties: JS - K and CB - 3 - 100 enhanee arsenic and eisplatin cytolethality by increasing cellular accumulation [ J ]. Mol Cancer Ther,2004,3 ( 6 ) : 107 - 714.
5Guang Wu H, Sunagawa M, Jie En L, et al. The relationship between microvessel density, the expression of vascular endothelial growth factor(VEGF), and the extension of nasopharyngeal carcinoma[J]. Laryngoscope,2000, 110(12) :2066 -2069.
