Citation: Lai, Tze Leung et Shih, Mei-chiung, Power, sample size and adaptation considerations in the design of group sequential clinical trials, Biometrika , 91(3), 2004, pp. 507-528
Citation: Lai, Tze Leung et Shih, Mei-chiung, A hybrid estimator in nonlinear and generalised linear mixed effects models, Biometrika , 90(4), 2003, pp. 859-879