Leite J da S, Cury LJ, Ferreira AMR. Gastroduodenal Lesions in Racehorses: Evaluation and Mapping According to the Updated Sidney System and Equine Gastric Ulcer Syndrome Council Classification. Brazilian Journal of Veterinary Pathology. 2012;5(2):51-59. Accessed October 19, 2025. https://bjvp.org.br/bjvp/article/view/120