Nakamura, Motonobu, and Yoshiki Miyachi. “Congenital Hyponychia Without RSPO4 Mutation”. Acta Dermato-Venereologica 88, no. 5 (June 17, 2008): 511–512. Accessed February 17, 2025. https://medicaljournalssweden.se/actadv/article/view/8728.