@article{Aalen1997,
author = {Aalen, O.O. and Farewell, V.T. and De Angelis, D. and Day, N.E. and Gill, O.N.},
title= {A Markov model for HIV disease progression including the effect of HIV diagnosis and treatment: application to AIDS prediction in England and Wales},
year = {1997},
doi = {10.1002/(SICI)1097-0258(19971015)16:19<2191::AID-SIM645>3.0.CO;2-5},
journal = {Statistics in Medicine},
volume = {16},
pages = {2191--2210},
}