Hyperendemic Chagas disease and the unmet need for pacemakers in the Bolivian Chaco. - Eva H Clark; Jackie Sherbuk; Emi Okamoto; Malasa Jois; Gerson Galdos-Cardenas; Julio Vela-Guerra; Gilberto Silvio Menacho-Mendez; Ricardo W Bozo-Gutierrez; Antonio B Fernandez; Thomas C Crawford; Rony Colanzi; Robert H Gilman; et al. (PLoS Neglected Tropical Diseases)