Shahrohisham, M., and W. Witjaksono. “The Efficacy of Clorhexidine 0.2% After Scaling in Marginal Gingivitis”. Dental Journal, vol. 38, no. 4, Dec. 2005, pp. 173-5, doi:10.20473/j.djmkg.v38.i4.p173-175.