พรหมประดิษฐ์ ส. “Dentifrice and mouthrinse : effective adjuncts to prevent gingivitis?”. Thai Dental Public Health Journal, vol. 18, no. 1, June 2013, pp. 9-19, https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/152648.