Vaezi, G., Dorea, J.G., Malekirad, A.A. and Zarei, H. 2014. A comparative study of genotoxicity and oxidative stress before and after using lemon balm and cinnamon in subjects exposed to Nickel Welding Fumes. Archives of Advances in Biosciences. 5, 4 (Dec. 2014). DOI:https://doi.org/10.22037/jps.v5i4.7799.