Asan, M. F., G. S. Babu, R. L. Castelino, K. Rao, and V. Pandita. “Applications of Photobiomodulation Therapy in Oral Medicine—A Review”. European Journal of Therapeutics, vol. 27, no. 2, June 2021, pp. 177-82, doi:10.5152/eurjther.2021.20080.