Liqun Fang , Lei Yan , Song Liang , Sake J de Vlas , Dan Feng , Xiaona Han , Wenjuan Zhao , Bing Xu , Ling Bian , Hong Yang , Peng Gong , Jan Hendrik Richardus and Wuchun Cao
BMC Infectious Diseases 2006, 6:77doi:10.1186/1471-2334-6-77