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Nan ZR, Zhao CY, Li JJ, Chen FH, Liu Y.Nan ZR, et al. Among authors: zhao cy.Bull Environ Contam Toxicol. 1999 Oct;63(4):546-52. doi: 10.1007/s001289901015.Bull Environ Contam Toxicol. 1999.PMID: 10501735No abstract available.