@article{article0a2c8477,
title   = {Frailty models power variance function with cure fraction and latent risk factors negative binomial},
author = {Calsavara, Vinicius Fernando and Rodrigues, Agatha Sacramento and Tomazella, Vera Lúcia Damasceno and Castro, Mário de},
year = {2017},
doi = {10.1080/03610926.2016.1218029},
journal   = {Communications in Statistics - Theory and Methods}
}