Figure 1From: Development of a salmon-derived crosslinked atelocollagen sponge disc containing osteogenic protein-1 for articular cartilage regeneration: in vivo evaluations with rabbits A salmon-derived cross-linked atelocollagen sponge disc containing OP-1 (OP-1SCS disc) as a novel cell-free device for cartilage repair (A) and the ultrastructure of the atelocollagen sponge (B). Back to article page