H. M. Rajegowda, D. Kalegowda, S. B. Madegowda, K. Manjunath, and T. A, “To compare the efficacy and safety of trichloroacetic acid peel with topical tretinoin in the treatment of acanthosis nigricans: A randomized controlled study”, J Pak Assoc Dermatol, vol. 29, no. 2, pp. 170–175, Oct. 2019.