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Sy SM, Wong N, Mok TS, Tsao MS, Lee TW, Tse G, Blackhall FH, Johnson PJ, Yim AP.Sy SM, et al. Among authors: mok ts.Lung Cancer. 2003 Jul;41(1):91-9. doi: 10.1016/s0169-5002(03)00138-7.Lung Cancer. 2003.PMID: 12826317
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