Siddiqui, M. ahmad, F. . Karim, and F. . Sarshar. “A Rare Case of Porokeratotic Eccrine Ostial and Dermal Duct Nevus”. Journal of Pakistan Association of Dermatologists, vol. 33, no. 4, Oct. 2023, pp. 1741-3, https://www.jpad.com.pk/index.php/jpad/article/view/2394.