Genotoxicity of antimicrobial endodontic compounds by single cell gel (comet) assay in Chinese hamster ovary (CHO) cells - Ribeiro, D A; Scolastici, C; De Lima, P L; Marques, M E; Salvadori, D M (Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 2005)