N. K. Chowdary, S. S. Prabhu, S. D. Shenoi, and S. U. K. Nayak, “Quality of life in acne patients: A clinical and Dermatology Life Quality Index (DLQI) based cross-sectional study”, J Pak Assoc Dermatol, vol. 28, no. 4, pp. 415–419, Feb. 2019.