@article{Meira-Machado2011,
author = {Meira-Machado, L. and Pardinas, J.},
title= {p3state.msm: Analyzing survival data from an illness-death model},
year = {2011},
URL = {http://www.jstatsoft.org/v38/i03},
journal = {Journal of Statistical Software},
volume = {38},
number = {3},
pages = {1--18},
}