Expression of truncated NSP2 protein of porcine reproduction and respiratory syndrome virus in E.coli and the development of monoclonal antibodies against NSP2 protein
王海燕 WANG Hai-Yan JIANG Ping JIANG DU Yi-jun DU LI Yu-feng LI LI Jun-xing LI SHENG Fang SHENG
China Biotechnology . 2008, (2): 42 -46 .