SACHS, M. C.; GABRIEL, E. E. Event History Regression with Pseudo-Observations: Computational Approaches and an Implementation in R. Journal of Statistical Software, [S. l.], v. 102, n. 9, p. 1–34, 2022. DOI: 10.18637/jss.v102.i09. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v102i09. Acesso em: 26 may. 2022.