Luiz, Ronir Raggio, and Renan Moritz V.R. Almeida. “On the Measurement of Change in Medical Research”. International Journal of Statistics in Medical Research 1, no. 2 (December 20, 2012): 144–147. Accessed May 4, 2024. https://www.lifescienceglobal.com/pms/index.php/ijsmr/article/view/541.