Fig. 5From: In vivo animal study and clinical outcomes of autologous atelocollagen-induced chondrogenesis for osteochondral lesion treatmentMicroscopic view of repaired tissue 12 weeks postoperatively (collagen type-II stain, safranin O stain). a Microfracture. b Microfracture + atelocollagen. c Microfracture + atelocollagen + fibrin glue. d Microfracture + fibrin glueBack to article page