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Comparison of Hapln-1 expression in the cartilage from osteoarthritis (OA), Kashin-Beck disease (KBD) and normal groups. a, b, c Denote the upper of normal, OA and KBD cartilage, respectively. d, e, f Denote the middle of normal, OA and KBD cartilage, respectively. g, h, i Denote the deep of normal, OA and KBD cartilage, respectively
