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Choi EP, Lam CL, Chin WY.Choi EP, et al.Health Qual Life Outcomes. 2014 Jan 2;12:1. doi: 10.1186/1477-7525-12-1.Health Qual Life Outcomes. 2014.PMID: 24382363Free PMC article.
Wong CK, Choi EP, Tsu JH, Ho BS, Ng AT, Chin WY, Yiu MK.Wong CK, et al. Among authors: choi ep.Qual Life Res. 2015 Oct;24(10):2397-402. doi: 10.1007/s11136-015-0993-8. Epub 2015 Apr 16.Qual Life Res. 2015.PMID: 25877953
Wan EY, Chen JY, Choi EP, Wong CK, Chan AK, Chan KH, Lam CL.Wan EY, et al. Among authors: choi ep.Health Qual Life Outcomes. 2015 Jul 29;13:108. doi: 10.1186/s12955-015-0308-3.Health Qual Life Outcomes. 2015.PMID: 26215978Free PMC article.