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Tsai TH, Chua S, Yang CH, Hang CL, Hsieh YK, Chen YH, Chai HT, Yeh KH, Yip HK.Tsai TH, et al. Among authors: chai ht.Chang Gung Med J. 2007 Jul-Aug;30(4):313-20.Chang Gung Med J. 2007.PMID: 17939261Free article.