BAN KAREM; IBRAHIM, Leka’a M. Periodontal health status and salivary enzymes level in smokers and non-smokers (comparative, cross sectional study). Journal of Baghdad College of Dentistry, [S. l.], v. 25, n. 3, p. 91–96, 2013. Disponível em: https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/264.. Acesso em: 3 dec. 2024.