From: Development of a salmon-derived crosslinked atelocollagen sponge disc containing osteogenic protein-1 for articular cartilage regeneration: in vivo evaluations with rabbits
Group I
Group II
Group III
P value
Cell density Per mm2
592.7 (130.0)a,b
280.7 (104.1)b
0 (0)
< 0.0001