Urbina, F., X. Espinoza, and E. Sudy. “Knuckle pads/Dermatitis Artefacta.”. European Journal of Pediatric Dermatology 14, no. 3 (September 30, 2004): 134-135. Accessed April 18, 2024. https://ejpd.com/index.php/journal/article/view/273.