Chakraborty, R., M. K. Singh, S. K. Ghosh, and I. Kundu. “Endoscopic Skull Base Surgery: Our Initial Experience”. Bengal Journal of Otolaryngology and Head Neck Surgery, vol. 24, no. 3, Dec. 2016, pp. 148-53, doi:10.47210/bjohns.2016.v24i3.93.