ALI, Omar H. The effect of cigarette smoking on salivary IgA and periodontal disease. Journal of Baghdad College of Dentistry, [S. l.], v. 27, n. 3, p. 116–119, 2015. Disponível em: https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/816.. Acesso em: 2 may. 2024.