Meenaxi, and Dalip Singh. “A Multistate Markov Model for the Progression of Congestive Heart Failure Using Kolmogorov Differential Equation”. Communications in Mathematics and Applications 13, no. 2 (August 17, 2022): 427–434. Accessed July 3, 2024. https://rgnpublications.com/journals/index.php/cma/article/view/1663.