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Shih CM, Wang YH, Liu LF, Wu JH.Shih CM, et al. Among authors: liu lf.Int J Environ Res Public Health. 2020 Apr 13;17(8):2649. doi: 10.3390/ijerph17082649.Int J Environ Res Public Health. 2020.PMID: 32294909Free PMC article.
Tian WH, Liu TC, Chen CS, Liu LF, Tien JJ.Tian WH, et al. Among authors: liu lf, liu tc.Health Policy. 2012 Dec;108(2-3):256-67. doi: 10.1016/j.healthpol.2012.10.005. Epub 2012 Oct 24.Health Policy. 2012.PMID: 23102721
Ku LJ, Liu LF, Wen MJ.Ku LJ, et al. Among authors: liu lf.Arch Gerontol Geriatr. 2013 Mar-Apr;56(2):370-6. doi: 10.1016/j.archger.2012.11.005. Epub 2012 Dec 3.Arch Gerontol Geriatr. 2013.PMID: 23218520
Liu LF.Liu LF.Int J Environ Res Public Health. 2014 Jan 27;11(2):1384-97. doi: 10.3390/ijerph110201384.Int J Environ Res Public Health. 2014.PMID: 24473113Free PMC article.Review.
Lee CL, Liu LF, Chen SS, Lin HC.Lee CL, et al. Among authors: liu lf.Hu Li Za Zhi. 2014 Feb;61(1):64-73. doi: 10.6224/JN.61.1.64.Hu Li Za Zhi. 2014.PMID: 24519345Chinese.
Liu LF, Weng RH, Wu JY.Liu LF, et al.Qual Life Res. 2014 Nov;23(9):2613-27. doi: 10.1007/s11136-014-0710-z. Epub 2014 May 17.Qual Life Res. 2014.PMID: 24838907
Liu LF, Yao HP.Liu LF, et al.J Am Med Dir Assoc. 2014 Dec;15(12):946-54. doi: 10.1016/j.jamda.2014.07.007. Epub 2014 Sep 20.J Am Med Dir Assoc. 2014.PMID: 25244959