Hotez Peter J, Engels Dirk, Fenwick Alan, Savioli Lorenzo
Department of Microbiology, Immunology, and Tropical Medicine, George Washington University and Sabin Vaccine Institute, Washington, DC 20037, USA.
Lancet. 2010 Aug 14;376(9740):496-8. doi: 10.1016/S0140-6736(10)60879-3.