論文（英文）
A Poisson mixed effects model for investigating the exposure-by-cohort interaction: A Gibbs sampling approach.
Yoshida S, Matsuyama Y, Ohashi Y, and Ueshima H. A Poisson mixed effects model for investigating the exposure-by-cohort interaction: A Gibbs sampling approach. Japanese Journal of Biometrics 2008; 29: 61-74.