Fig. 1From: Expression of HIF-1α and HIF-2α correlates to biological and clinical significance in papillary thyroid carcinomaHypoxia-inducible factor in a papillary thyroid carcinoma. a Representative images of HIF-1α in PTC. b Representative images of HIF-1α in normal. c Representative images of HIF-2α in PTC. d Representative images of HIF-2α in normal; ×400Back to article page