Gao, Dexiang, Gary K. Grunwald, and Stanley Xub. “A Simple Approach to Sample Size Calculation for Count Data in Matched Cohort Studies”. International Journal of Statistics in Medical Research 3, no. 3 (August 25, 2014): 321–330. Accessed November 21, 2024. https://mail.lifescienceglobal.com/pms/index.php/ijsmr/article/view/2266.