Alves, C. R. G.; Marques, M. M.; Moreira, M. S.; de Cara, S. P. H. M.; Bueno, C. E. S.; Lascala, C. Ângelo. Second Mesiobuccal Root Canal of Maxillary First Molars in a Brazilian Population in High-Resolution Cone-Beam Computed Tomography. Iran Endod J 2019, 13, 71-77.