Vale LDO, Silva VHP, Almeida FR, Ribeiro DA, Silva DM. Evaluation of genotoxic and cytotoxic effects in buccal mucosa cells of welders in the cities of Cubatão and Santos, state of São Paulo, Brazil. Rev Bras Med Trab.2017;15(4) DOI:10.5327/Z1679443520170012:303-309