OLLER, R.; LANGOHR, K. FHtest: An R Package for the Comparison of Survival Curves with Censored Data. Journal of Statistical Software, [S. l.], v. 81, n. 15, p. 1–25, 2017. DOI: 10.18637/jss.v081.i15. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v081i15. Acesso em: 5 oct. 2022.