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Siau H, Yuen KY, Wong SS, Ho PL, Luk WK.Siau H, et al. Among authors: yuen ky.J Med Microbiol. 1996 May;44(5):340-7. doi: 10.1099/00222615-44-5-340.J Med Microbiol. 1996.PMID: 8636948