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Liang HH, Chai CY, Lin YH, Lee CH, Wu CH, Chang CC.Liang HH, et al. Among authors: chai cy.J Formos Med Assoc. 2007 Jun;106(6):485-9. doi: 10.1016/S0929-6646(09)60298-9.J Formos Med Assoc. 2007.PMID: 17588842Free article.