Ribeiro V. P., Pina S., Costa J. B., Cengiz I. F., García-Fernández L., Fernández-Gutierrez M., Paiva O. C., Oliveira A. L., San-Román J., Oliveira J. M., and Reis R. L.,  "Enzymatically Cross-Linked Silk Fibroin-Based Hierarchical Scaffolds for Osteochondral Regeneration",  ACS Applied Materials & Interfaces , doi:10.1021/acsami.8b21259, 2019.