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The distribution of trace metals was significantly different between aMCI and control groups and between AD and control groups. Asterisks (*) indicate statistical significance (p < 0.05). (A) Chromium, (B) manganese, (C) cobalt, (D) germanium, (E) zirconium, (F) antimony, (G) tellurium, (H) barium, and (I) platinum. aMCI, amnestic mild cognitive impairment; AD, Alzheimer’s disease.
