Saqib, Zareen, Khawar Khurshid, Zahida Rani, Faria Asad, and Sabrina Suhail Pal. 2018. “Venous Insufficiency in Patients of Toenail Onychomycosis”. Journal of Pakistan Association of Dermatologists 28 (1):85-88. https://www.jpad.com.pk/index.php/jpad/article/view/1159.