Rodrigues, Guilherme, Joana Antão, and Alda Marques. “Functional Status in People With COPD: A Cluster Analysis With Bootstrap Resampling”. Journal of Statistics on Health Decision 4, no. 1 (July 20, 2022): 64-66. Accessed September 26, 2022. https://proa.ua.pt/index.php/jshd/article/view/28963.