(1)
Kapadia, N. F.; Khalid, G.; Burhany, T.; Nakhoda, T. Comparative Efficacy and Safety and Efficacy of Systemic 13-Cis Retinoic Acid 20mg/day Vs. 40mg/Day in Acne Vulgaris. J Pak Assoc Dermatol 2016, 15, 238-241.