3ZENG GUANG,ZHANG JING-KUN,ROU KE-MING,,XU CHANG,CHENG YING-KAI,AND QI GUO-MING(The Institute of Epidemiology and Microbiology, Chinese Academy ofPreventive Medicine, Beijing 100050, China).Infectious Disease Surveillance in China[J].Biomedical and Environmental Sciences,1998,11(1):31-37. 被引量:3