Nitayaphan S , Grant J , Chang G, et al . Nucleotide sequence of the virulentSA214 strain of Japanese encephalitis virus吴玉水,马文煜,朱忠勇.日本脑炎病毒基因疫苗研究进展[J].细胞与分子免疫学杂志,2002,18(5):5122514.