Singh Yadav, Anilesh Kumar, Priyadarshi B. P., Gupta A. C., Mahendra Singh, Ashok Kumar Verma, and Vishal Gupta. “Comparison of Endoscopic Variceal Ligation and Beta-Blocker (carvedilol) Plus Nitrate for the Primary Prevention of Variceal Bleeding”. International Journal of Advances in Medicine 4, no. 4 (July 20, 2017): 1053–1058. Accessed December 24, 2025. https://www.ijmedicine.com/index.php/ijam/article/view/649.