Ajay Chhabra, Apoorva Rana, Nisha Garg, Ruhani Bhatia, and Shobit Sethi. “Comparative Evaluation of Smear Layer Removal Using Four Different Irrigation Techniques: An in-Vitro Study”. International Healthcare Research Journal, Vol. 3, no. 2, May 2019, pp. 80-86, doi:10.26440/IHRJ/0302.05.521082.