Authors: Philip S. Craig, Donald P. McManus, Marshall W. Lightowlers, José A. Chabalgoity, Héctor H. Garcı́a, César M. Gavidia, Robert H. Gilman, Armando E. González, M Lorca, César Náquira, Alberto Nieto, Peter M. Schantz - The Lancet 2007 cited by 676
