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Lei SH, Zhang Y, Li HM, Su D, Chang JJ, Hu XM, Ye Q, Jiang D, Chen YC.Lei SH, et al. Among authors: chang jj.BMC Health Serv Res. 2019 Feb 18;19(1):126. doi: 10.1186/s12913-019-3944-1.BMC Health Serv Res. 2019.PMID: 30777048Free PMC article.
Li HM, Chen YC, Gao HX, Zhang Y, Chen L, Chang JJ, Su D, Lei SH, Jiang D, Hu XM.Li HM, et al. Among authors: chang jj.BMC Health Serv Res. 2018 Aug 13;18(1):635. doi: 10.1186/s12913-018-3415-0.BMC Health Serv Res. 2018.PMID: 30103736Free PMC article.
Li HM, Chen YC, Gao HX, Zhang Y, Su D, Chang JJ, Jiang D, Hu XM, Lei SH.Li HM, et al. Among authors: chang jj.Int J Health Plann Manage. 2019 Jan;34(1):e436-e446. doi: 10.1002/hpm.2660. Epub 2018 Sep 26.Int J Health Plann Manage. 2019.PMID: 30259560
Su D, Chen Y, Gao H, Li H, Chang J, Lei S, Jiang D, Hu X, Tan M, Chen Z.Su D, et al.Int J Environ Res Public Health. 2019 Jan 6;16(1):133. doi: 10.3390/ijerph16010133.Int J Environ Res Public Health. 2019.PMID: 30621338Free PMC article.
Su D, Chen YC, Gao HX, Li HM, Chang JJ, Jiang D, Hu XM, Lei SH, Tan M, Chen ZF.Su D, et al. Among authors: chang jj.BMJ Open. 2019 Feb 19;9(2):e026408. doi: 10.1136/bmjopen-2018-026408.BMJ Open. 2019.PMID: 30782944Free PMC article.
Su D, Chen Y, Gao H, Li H, Chang J, Lei S, Jiang D, Hu X, Tan M, Chen Z.Su D, et al.Int J Environ Res Public Health. 2019 Apr 19;16(8):1410. doi: 10.3390/ijerph16081410.Int J Environ Res Public Health. 2019.PMID: 31010133Free PMC article.
Hu X, Gao H, Zhang Y, Li H, Su D, Chang J, Jiang D, Lei S, Chen Y.Hu X, et al.BMJ Open. 2019 May 1;9(4):e026443. doi: 10.1136/bmjopen-2018-026443.BMJ Open. 2019.PMID: 31048441Free PMC article.
Li H, Chen Y, Gao H, Chang J, Su D, Lei S, Jiang D, Hu X, Tan M, Chen Z.Li H, et al.Int J Environ Res Public Health. 2019 May 3;16(9):1554. doi: 10.3390/ijerph16091554.Int J Environ Res Public Health. 2019.PMID: 31058801Free PMC article.