Hazra, S., Siddique, M., Khondker, L., Khan, M. and Mahmud, M. (2014) “The Role of Combination of 20% Azelaic Acid with 0.05% Tretinoin Cream in the Treatment of Melasma”, Bangladesh Medical Journal, 40(2), pp. 26–30. doi: 10.3329/bmj.v40i2.18501.