Assessment of morphological variations in superficial veins of upper limb with or without artificial discoloration of skin using Near-Infrared Illumination device in adults (Hyderabad region). J Pak Assoc Dermatol [Internet]. 2024 Apr. 21 [cited 2026 Jul. 28];34(2):493-9. Available from: https://www.jpad.com.pk/index.php/jpad/article/view/2407