JACKSON, R. J.; COX, T. F. A Robust Parameterization for Unbounded Covariates Within the Cox Proportional Hazards Model. International Journal of Statistics in Medical Research, [S. l.], v. 3, n. 4, p. 331–339, 2014. DOI: 10.6000/1929-6029.2014.03.04.1. Disponível em: http://lifescienceglobalca.com/index.php/ijsmr/article/view/2462. Acesso em: 3 apr. 2025.