FREGERT, S; GRUVBERGER, B. Factors decreasing the content of water-soluble chromate in cement. Acta Dermato-Venereologica, [S. l.], v. 53, n. 4, p. 267–270, 1973. DOI: 10.2340/0001555553267270. Disponível em: https://medicaljournalssweden.se/actadv/article/view/13266. Acesso em: 22 jun. 2026.