RT Journal T1 Significance of serum vascular endothelial growth factor test before radiotherapy in patients with nasopharyngeal carcinoma A1 Guo-qi Zhao, Yi Xu, Qiang Wang PB Journal of Integrative Medicine FD 2005-07-20 YR 2005 JF Journal of Integrative Medicine JO Journal of Integrative Medicine VO 3 IS 4 SP 274 DO 10.3736/jcim20050408 K1 ;Nasopharyngeal carcinoma;Radiotherapy;Vascular endothelial growth factor;Beta 2-microglobulin LK {http://www.jcimjournal.com/EN/article/article_289.shtml}