1. Fitzmaurice, G.M., Laird, N.M. and Ware, J.H. (2004) Applied Longitudinal Analysis. John Wiley & Sons, Hoboken.
2. Random-Effects Models for Longitudinal Data
3. Brown, H. and Prescott, R. (1999) Applied Mixed Models in Medicine. John Wiley & Sons Ltd., Chichester.
4. Longitudinal data analysis using generalized linear models
5. McCullagh, P. and Nelder, J.A. (1999) Generalized Linear Models. 2nd Edition, Chapman & Hall/CRC, Boca Raton.