Fig. 4From: The establishment of a rheumatoid arthritis primate model in Macaca fascicularisHistopathological analysis of CIA in M. fascicularis. a Proximal interphalangeal joint tissue samples were acquired from all groups at 8 weeks and stained with H&E and safranin O. b Inflammation, cartilage damage, and bone erosion scoring for proximal interphalangeal joint tissue (*p < 0.05 and **p < 0.01)Back to article page