M. K. Katyayan, P. A. Katyayan, P. S. Reddy, and Y. B. Kumar, “A Comparison of Outcome of the Immediate Implant Placement of Implants When Used In the Replacement of Teeth with and Without Chronic Periapical Lesions: Outcome Of The Immediate Implant Placement Of Implants In Case With And Without Chronic Periapical Lesions”, Natl J Integr Res Med, vol. 8, no. 2, pp. 133–139, Feb. 2018.