@article{Marshall1995,
author = {Marshall, G. and Guo, W. and Jones, R.H.},
title= {MARKOV: A computer program for multi-state Markov models with covariables},
year = {1995},
doi = {10.1016/0169-2607(95)01641-6},
journal = {Computer Methods and Programs in Biomedicine},
volume = {47},
number = {2},
pages = {147--156},
}