求文献一篇，附sciencedirect链接

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Protective effects of flavonoids and two metabolites against oxidative stress in neuronal PC12 cells 3 {7 w, x/ H" t5 N; |5 N
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Protective effects of flavonoids and two metabolites against oxidative stress in neuronal PC12 cells- h( B, ]5 K. X& K2 d
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