Das, B. P., and J. Patra. “Effect of Glutamine Supplement on Chemo-Radiation Induced Mucositis in Head and Neck Cancer Patients: A Prospective Study”. International Journal of Basic & Clinical Pharmacology, vol. 9, no. 3, Feb. 2020, pp. 417-21, doi:10.18203/2319-2003.ijbcp20200580.