Domingos Carvalho, Gabriel, Paulo Sergio de Arruda Pinto, Marlene Isabel Vargas Viloria, and Luis Augusto Nero. “Aspectos Zoonóticos De Helicobacter Spp”. Bioscience Journal 24, no. 4 (December 3, 2008). Accessed August 13, 2020. http://www.seer.ufu.br/index.php/biosciencejournal/article/view/6770.