Kumar, Vasanth, Umesh Yadav, Awan Kumar, and - Vijaylakhsmi. “The Mechanical Heart Valve TTK Chitra Is Inexpensive and of Proven Effectiveness (widely Used in India and Then in Nepal)”. Medical Journal of Eastern Nepal 1, no. 1 (June 17, 2022): 49–52. Accessed January 31, 2025. https://nepjol.info/index.php/mjen/article/view/45864.