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Immunohistochemical localization of IGF-1 in the jejunal mucosa (a; counterstained with Mayer's hematoxylin, ×100) and a semiquantitative analysis of the results (b). G1, control; G2, 3 days fasting; G3, 3 days fasting then 7 days water; G4, 3 days fasting then 7 days green tea; G5, 3 days fasting then 7 days vitamin E. G4 and G3, p = not significant; G1 and G2, p < 0.0003; G1 and G3, p = not significant; G4 and G5, p = 0.0001.
