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Mucosal and goblet cell hyperplasia in the colons of rats in the 13-week drinking water study of aloin. Colon sections from rats administered the vehicle controls (A), magnification ×5 (original); B, 55.7 mg aloin/kg water dose group, magnification ×5 (original); C, 446 mg aloin/kg dose group, magnification ×2.5 (original); D, 446 mg aloin/kg water dose group, magnification ×5 (original).
