Ning, J., R. Zhang, and W. Zhu. “A Case of Unilateral Nevoid Hyperkeratosis of the Nipple and Areola.”. European Journal of Pediatric Dermatology 31, no. 1 (February 7, 2021): 47-49. Accessed May 6, 2024. https://ejpd.com/index.php/journal/article/view/2215.