Effects of heavy metal pollution in the Pilcomayo river system, Bolivia, on resident human populations K.A. Hudson-Edwards, J.R. Miller, D. Presto, P.J. Lechler, M.G. Macklin, J.S. Miners et J.N. Turner J. Phys. IV France, 107 (2003) 637-640 DOI: 10.1051/jp4:20030384