LANGTRY, JA; DIFFEY, BL. A double-blind study of ultraviolet phototherapy in the prophylaxis of chilblains. Acta Dermato-Venereologica, [S. l.], v. 69, n. 4, p. 320–322, 1989. DOI: 10.2340/0001555569320322. Disponível em: https://medicaljournalssweden.se/actadv/article/view/4677. Acesso em: 25 jun. 2026.