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Ho S, Cheng P, Yuen J, Chan A, Leung N, Yeo W, Leung T, Lau WY, Li AK, Johnson PJ.Ho S, et al. Among authors: yeo w.Br J Cancer. 1996 Apr;73(8):985-8. doi: 10.1038/bjc.1996.192.Br J Cancer. 1996.PMID: 8611436Free PMC article.