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Expression of VEGF-A in human gastric adenocarcinoma xenografts tissues and paracancerous tissues. A. Shows the immunohistochemical staining of VEGF-A expression in human gastric adenocarcinoma xenografts tissues and paracancerous tissues in nude mice (400 × magnification). B. Reveals the differences in expression levels of VEGF-A in xenografts tissues and paracancerous tissues based on the histological score.
