Sala, C., Lavagnoli, C.S., Rodrigues, T.F.C. da S., Back, I.R., Zulin, A., Goldoni, E.C.P., Carvalho, E.F., Coimbra , J.A.H., Radovanovic, C.A.T., Felipin, L.C.S., Torres, M.M. and Uema , R.T.B. 2024. Epidemiological profile of patients hospitalized for upper gastrointestinal hemorrhage in a university hospital in Northwestern Paraná. Seven Editora. (May 2024), 181–190.