BERGQVIST , D.; FALK , J.; STÅHL , A. Tissue Reaction to Implantation of Collagen Film: An Experimental and Clinical Study. Upsala Journal of Medical Sciences, [S. l.], v. 82, n. 3, p. 203–208, 1977. DOI: 10.3109/03009737709179101. Disponível em: https://ujms.net/index.php/ujms/article/view/7263. Acesso em: 15 nov. 2026.