Mitra, D., K. Choudhury, and M. A. Rashid. “Concurrent Chemotherapy in Advanced Head and Neck Carcinoma – A Prospective Randomized Trial”. Bangladesh Journal of Otorhinolaryngology, vol. 17, no. 2, Nov. 2011, pp. 88-95, doi:10.3329/bjo.v17i2.8847.