Mutnuri, Vasantha Lakshmi, and Murali Krishna C. “Case Report of Esophagus Squamous Cell Carcinoma Treated With Novel Drug Preparation Method of Catheranthus Rosea (Periwinkle) - An Integrated Oncological Approach”. International Journal of Ayurvedic Medicine 17, no. 1 (March 31, 2026): 311–314. Accessed June 1, 2026. https://ijam.co.in/index.php/ijam/article/view/7180.