SUMONA, B.; SHEETAL, S.; ANIL, M.; SUVARNA, P. Comparative evaluation of serum folic acid levels in smokers and non-smokers with chronic periodontitis. Bangladesh Journal of Medical Science, [S. l.], v. 10, n. 2, p. 83–90, 2011. DOI: 10.3329/bjms.v10i2.7802. Disponível em: https://www.banglajol.info/index.php/BJMS/article/view/7802. Acesso em: 19 may. 2024.