A. . Nokhodchi, M. . Jelveghari, M.-R. . Siahi, and S. . Dastmalchi, “The Effect of Formulation Type on the Release of Benzoyl Peroxide from Microsponges: Benzoyl peroxide release from microsponges”, Iran J Pharm Sci, vol. 1, no. 3, pp. 131–142, Sep. 2005.