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Ho KM, Ho KK, Lim WL, Li P, Wong KH.Ho KM, et al. Among authors: li p.Hong Kong Med J. 2001 Dec;7(4):335-42.Hong Kong Med J. 2001.PMID: 11773666Free article.
Chan I, Au A, Li P, Chung R, Lee MP, Yu P.Chan I, et al. Among authors: li p.AIDS Care. 2006 Nov;18(8):977-82. doi: 10.1080/09540120500490093.AIDS Care. 2006.PMID: 17012088
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Mak WW, Cheung F, Woo J, Lee D, Li P, Chan KS, Tam CM.Mak WW, et al. Among authors: li p.Hong Kong Med J. 2009 Dec;15 Suppl 8:34-7.Hong Kong Med J. 2009.PMID: 20393211Free article.No abstract available.
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