Pereanu, A., I. Tomuţă, E. Dinte, and S. Leucuţa. “Formulation of Bioadhesive Matrix Tablets With Different Concentrations of Carbopol and Sodium Carboxymethyl Cellulose Using an Experimental Design”. Medicine and Pharmacy Reports, Vol. 85, no. 3, Feb. 2014, pp. 369-77, https://medpharmareports.com/index.php/mpr/article/view/176.