@article{article39a86ce3,
title   = {Presence of arsenic in different types of MTA and white and gray Portland cement [Carta]},
author = {Bramante, Clóvis Monteiro and Duarte, Marco Antonio Hungaro},
year = {2009},
doi = {10.1016/j.tripleo.2009.04.041},
journal   = {Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology}
}