M. R. Karimi, A. Hasani, and S. Khosroshahian, “Efficacy of Antimicrobial Photodynamic Therapy as an Adjunctive to Mechanical Debridement in the Treatment of Peri-Implant Diseases: A Randomized Controlled Clinical Trial”, J laser Med Sci, vol. 7, no. 3, pp. 139–145, Jul. 2016.