Kazemi, E, M-T Moradi, K Yari, S A R Mousavi, and D Kahrizi. 2015. “Association Between Manganese Superoxide Dismutase (MnSOD Val-9Ala) Genotypes With the Risk of Generalized Aggressive Periodontitis Disease”. Cellular and Molecular Biology 61 (8):49-52. https://www.cellmolbiol.org/index.php/CMB/article/view/757.