Blood urea nitrogen as a predictor of mortality in myocardial infarction. Universa Medicina, [S. l.], v. 32, n. 3, p. 172–178, 2013. DOI: 10.18051/UnivMed.2013.v32.172-178. Disponível em: https://univmed.org/ejurnal/index.php/medicina/article/view/91. Acesso em: 19 apr. 2025.