Necator americanus and Helminth Co-Infections: Further Down-Modulation of Hookworm-Specific Type 1 Immune Responses. - Geiger, Stefan Michael; Alexander, Neal Douglas Edward; Fujiwara, Ricardo Toshio; Brooker, Simon; Cundill, Bonnie; Diemert, David Joseph; Correa-Oliveira, Rodrigo; Bethony, Jeffrey Michael (PLoS Neglected Tropical Diseases, 2011)