Khan, M. M. U., and A. R. S. Ahamed. “Study of Efficacy and Safety of Triple Combination Agent (4% Hydroquinone, 0.05% Tretinoin and 0.05% Clobetasone Butyrate) in the Treatment of Melasma”. Faridpur Medical College Journal, vol. 8, no. 1, Nov. 2013, pp. 22-25, doi:10.3329/fmcj.v8i1.16893.