Koga , P.M., de Carvalho , T.L.R.B., de Carvalho , W.V., Tashima , C.M., Alarcon, M.F.S. and Katakura , E.A.L.B. 2023. Analysis of cases of deaths from covid-19 in the state of Paraná: A cross-sectional study. Seven Editora. (Jun. 2023).