Arsenic trioxide reduces the invasive and metastatic properties of nasopharyngeal carcinoma cells in vitro oleh C.W. Du, B.G. Wen, D.R. Li, X. Peng, C.Q. Hong, J.Y. Chen, Z.Z. Lin, X. Hong, Y.C. Lin, L.X. Xie, M.Y. Wu, H. Zhang