BITTENCOURT, Márcio Sommer. Electrocardiographic signs of hyperkalemia in a patient with a cardiac pacemaker. Autopsy and Case Reports, São Paulo, Brasil, v. 1, n. 1, 2011. DOI: 10.4322/acr.2016.017. Disponível em: https://journals.usp.br/autopsy/article/view/36411.. Acesso em: 9 apr. 2025.