Khemani, U. N.; Khopkar, U. S.; Nayak, C. S. A Comparison Study of the Clinical Efficacy and Safety of Topical Adapalene Gel (0.1%) and Tretinoin Cream (0.025%) in the Treatment of Acne Vulgaris. Int J Basic Clin Pharmacol 2016, 5, 628-634.