Fig. 3
From: Proliferation ability of particulated juvenile allograft cartilage
a Immunohistochemistry of Ki-67 in the PJAC group at 1 month (× 400 light microscope). The red arrow indicates positive cells. b Immunohistochemistry of Ki-67 in the ACC group at 1 month (× 400 light microscope). c Immunohistochemistry of Ki-67 in the PJAC group at 3 months (× 400 light microscope). The red arrow indicates positive cells. b Immunohistochemistry of Ki-67 in the ACC group at 3 months (× 400 light microscope)