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Comparison of 18F-FDG uptake with tumor hypoxia, GLUT-1 expression and cellular proliferation in 2 HT29 ascites tumors from an air-breathing animal. Ascites tumors had high 18F-FDG uptake, pimonidazole binding and GLUT-1 expression with proliferation (BrdUrd) confined to the rim. Scale bar 500 μm.
