Rasheed , Sabreen Sabah, and Hussien Ali Jawad. “Smear Layer Removal from the Apical Third Using the Er,Cr:YSGG Photon-Induced Photoacoustic Streaming”. Iranian Endodontic Journal, vol. 16, no. 4, Oct. 2021, pp. 238-43, doi:10.22037/iej.v16i4.34544.