1. Collagen: medical and surgical applications;Rubin;J. Macromol. Sci. Chem.,1969
2. Collagen as a biomaterial;Stenzel;Ann. Rev. Biophys. Bioeng.,1974
3. Current engineering for collagen application;Miyata;Fragrance J.,1989
4. Current engineering for collagen application;Miyata;Fragrance J.,1990