Fig. 2From: Experimental observation of the sequence of tibial plateau chondrocyte and matrix degeneration in spontaneous osteoarthritis in Guinea pigsWestern blot results of Aggrecan,CollagenX,MMP-13 and Caspase-3 and comparison of gray values. Bars represent the mean ± SEM, *p < 0.05 compared with the 8-month-old group and #p < 0.05 compared with the 10-month-old groupBack to article page