R. Ganta, S. R. Kantharia, B. B. Shah, R. M. Vasava, T. V. Vaishnav, and R. A. Kantharia, “Role of HRCT Thorax in pre-operative assessment of RT-PCR COVID-19 negative oral cancer patients”, J Radiol Oncol, vol. 4, no. 3, pp. 008–011, Dec. 2020.