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Representative section of aortae stained with oil red O (a) and the percentage en face aortic area covered by oil red O staining (b) in rabbits that were fed with chow or cholesterol diets and receiving either copper, zinc, copper and zinc or no additions to their drinking water. *P < 0.001 (all cholesterol vs. all chow diets); †P < 0.05 (cholesterol + copper; cholesterol + zinc vs. cholesterol alone).
