FORSLIND, B.; NORDSTRÖM, G.; TOIJER, D.; ERIKSSON, K. The rigidity of human fingernails: a biophysical investigation on influencing physical parameters. Acta Dermato-Venereologica, [S. l.], v. 60, n. 3, p. 217–222, 1980. DOI: 10.2340/0001555560217222. Disponível em: https://medicaljournalssweden.se/actadv/article/view/10584. Acesso em: 25 jun. 2026.