Totik, Nazlı, Sevinç Püren Yücel Karakaya, and Zeliha Nazan Alparslan. “An Introduction to Propensity Score Analysis: Checklist for Clinical Researches”. European Journal of Therapeutics 29, no. 3 (September 23, 2023): 667–676. Accessed July 22, 2024. https://eurjther.com/index.php/home/article/view/1813.