Precision Medicine - 1993 Davidian, M., & Gallant, A. R. (1993). The nonlinear mixed effects model with a smooth random effects density. Biometrika, 80(3), 475–488. https://doi.org/10.1093/biomet/80.3.475 Davidian, M., & Giltinan, D. M. (1993). Analysis of repeated measurement data using the nonlinear mixed effects model. Chemometrics and Intelligent Laboratory Systems, 20(1), 1–24. https://doi.org/10.1016/0169-7439(93)80017-c Davidian, M., & Giltinan, D. M. (1993). Some Simple Methods for Estimating Intraindividual Variability in Nonlinear Mixed Effects Models. Biometrics, 49(1), 59. https://doi.org/10.2307/2532602 Davidian, M., & Giltinan, D. M. (1993). Some general estimation methods for nonlinear mixed-effects model. Journal of Biopharmaceutical Statistics, 3(1), 23–55. https://doi.org/10.1080/10543409308835047