#Estadística
A modification of the EM algorithm to estimate an Andersen-Gill frailty model for multivariate failure time data
Barceló MA, Saez M. Journal of Modern Applied Statistical Methods, 2004; 3(2):504-517. doi: 10.22237/jmasm/1099268460
Modelos marginales y condicionales en el análisis de supervivencia multivariante
Barceló MA. Gaceta Sanitaria 2002; 16(Supl.2):59-69 (Impact Factor: 1.656, PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH 79/162 Q2)