Dr. Kaustav Kumar Das; Dr. Ghritashee Bora; Dr. Moumita Paul. Correlation Between Target Volume and Organs at Risk Doses in Stage Ii-Iva Nasopharyngeal Carcinoma Patients Treated With Helical Tomotherapy: A Prospective Single Institution Study from Northeast India. IJPRT 2026, 16, 3341-3346.