Fig. 1

Characterization of primary chondrocytes. a Representative images of primary chondrocytes. b Toduiline blue staining of primary chondrocytes. c, d Immunohistological staining of collagen II for chondrocytes
Characterization of primary chondrocytes. a Representative images of primary chondrocytes. b Toduiline blue staining of primary chondrocytes. c, d Immunohistological staining of collagen II for chondrocytes