V. Pilly, C. H. Lacerda Brito Junior, G. Rocha Nogueira Filho, and A. Prakki, “Protection of tooth structure by chlorhexidine and natural polyphenols: a review”, BDS, vol. 15, no. 4, pp. 3–9, Dec. 2012, doi: 10.14295/bds.2012.v15i4.838.