Sangenis, Luiz Henrique Conde, et al. “Snake Bites in the Municipality of Valença, Rio De Janeiro, Brazil: Possible Emergence of Envenoming by Rattlesnake”. Revista De Patologia Tropical Journal of Tropical Pathology, vol. 42, no. 1, Apr. 2013, doi:10.5216/rpt.v42i1.23589.