Shakouei, Sahar, et al. “The Sealing Ability of Different Endodontic Biomaterials As an Intra-Orifice Barrier: Evaluation With High-Performance Liquid Chromatography”. Biomaterial Investigations in Dentistry, vol. 11, no. 1, July 2024, pp. 91-96, doi:10.2340/biid.v11.41069.