Bhatt, Anurag, and Ashutosh Kumar Bhatt. “Early-Stage Cardiovascular Disease Prediction Using a Sigmoidtropy-Based Decision Tree”. International Journal of Statistics in Medical Research 14 (December 30, 2025): 855–866. Accessed January 11, 2026. https://lifescienceglobal.com/pms/index.php/ijsmr/article/view/10758.