Xavier, F., G. Nevares, L. Gominho, R. Rodrigues, M. C. Kaline Romeiro, and K. Romeiro. “Bacterial Reduction After Gutta-Percha Removal With Single Vs. Multiple Instrument Systems”. Iranian Endodontic Journal, vol. 13, no. 2, Apr. 2018, pp. 176-80, doi:10.22037/iej.v13i2.17505.