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Characterization of dPNCG by (A) H&E staining of normal cartilage and dPNCG. (B) DAPI staining of normal cartilage and dPNCG. (C) Alcian blue staining of normal cartilage and dPNCG. (D) SEM of normal cartilage and dPNCG. (E) Type II collagen immunostaining of normal cartilage and dPNCG granules.
