Hotez Peter J, Brooker Simon, Bethony Jeffrey M, Bottazzi Maria Elena, Loukas Alex, Xiao Shuhua
Department of Microbiology and Tropical Medicine, George Washington University, Washington, DC 20037, USA.
N Engl J Med. 2004 Aug 19;351(8):799-807. doi: 10.1056/NEJMra032492.