Challa, R., S. Alahari, K. Chaitanya, L. Afnan, D. Dalal, and S. Tirupathi. “PDL Injection in Dentistry: An Adjunct or Alternative: Systematic Review of Literature”. International Journal of Health Sciences, vol. 6, no. S8, Sept. 2022, pp. 3616-21, doi:10.53730/ijhs.v6nS8.12907.