Infra-orbital Hyper-pigmentation (Dark Circles): A Study of its Prevalence, Etiology and its Association with Other Dermatological Symptoms among Young Adults. J Pak Assoc Dermatol [Internet]. 2025 Mar. 13 [cited 2026 Jul. 12];35(1):32-8. Available from: https://www.jpad.com.pk/index.php/jpad/article/view/2768