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Wong JG, Cheung EP, Chen EY, Chan RC, Law CW, Lo MS, Leung KF, Lam CL.Wong JG, et al. Among authors: chan rc.Qual Life Res. 2005 Apr;14(3):687-94. doi: 10.1007/s11136-004-1215-y.Qual Life Res. 2005.PMID: 16022062
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