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Chan HL, Chui AK, Lau WY, Chan FK, Wong ML, Tse CH, Rao AR, Wong J, Sung JJ.Chan HL, et al. Among authors: chan fk.J Med Virol. 2002 Oct;68(2):182-7. doi: 10.1002/jmv.10185.J Med Virol. 2002.PMID: 12210406