Akram S, Sattar F, Tahir R, Mujtaba G. Efficacy of topical 4% liquiritin compared with topical 4% liquiritin mixed in 5% ascorbic acid in the treatment of melasma. J Pak Assoc Dermatol [Internet]. 2016Dec.15 [cited 2025Mar.18];23(2):149-52. Available from: http://jpad.com.pk/index.php/jpad/article/view/298