Barbosa AJA, Queiroz DMM, Nogueira AMMF, et al. Chronic gastritis and Helicobacter pylori in digestive form of Chagas’ disease . Rev. Inst. Med. Trop. São Paulo. 1993;35(2):117-121. Accessed May 3, 2024. https://www.revistas.usp.br/rimtsp/article/view/29014