Fig. 1From: Overexpression of MMP13 in human osteoarthritic cartilage is associated with the SMAD-independent TGF-β signalling pathwayComparison of the expression levels of BMP2, TGFB1, SMAD3, and MMP13 in human cartilage between osteoarthritis (OA) cases and controls. p values were from Mann-Whitney testBack to article page