Presence of arsenic in different types of MTA and white and gray Portland cement - Bramante, Clóvis Monteiro; Demarchi, Ana Claudia Cardoso Oliveira; Moraes, Ivaldo Gomes de; Bernardineli, Norberti; Garcia, Roberto Brandão; Spångberg, Lars S. W.; Duarte, Marco Antonio Hungaro (Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, 2008)