Pankaj Kumar Sinha, Varun Dahiya, Pradeep Shukla, Gaurav Malhotra, Prerna Kataria, and Chander Shekhar Joshi, “Evaluation of interleukin-6 in non surgical periodontal therapy with & without laser: a clinico-biochemical study”, APJHS, vol. 5, no. 3, pp. 203–211, Sep. 2018.