Ratcliffe SJ, Shults J. GEEQBOX: A MATLAB Toolbox for Generalized Estimating Equations and Quasi-Least Squares. J. Stat. Soft. [Internet]. 2008 May 1 [cited 2024 Nov. 21];25(14):1-14. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v025i14