GRAD, C. Heart Rate Variability and Heart Rate Recovery as prognostic factors. Medicine and Pharmacy Reports, [S. l.], v. 88, n. 3, p. 304–309, 2015. DOI: 10.15386/cjmed-498. Disponível em: https://medpharmareports.com/index.php/mpr/article/view/498. Acesso em: 5 oct. 2025.