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Hung KY, Hsu WA, Tsai TJ, Yen CJ, Hou CH, Yen TS.Hung KY, et al. Among authors: tsai tj.Postgrad Med J. 1995 Mar;71(833):160-3. doi: 10.1136/pgmj.71.833.160.Postgrad Med J. 1995.PMID: 7746776Free PMC article.