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Guo Y, Yeung CY, Chan GCH, Chang Q, Tsang HWH, Yip PSF.Guo Y, et al. Among authors: chang q.Int J Environ Res Public Health. 2022 May 3;19(9):5536. doi: 10.3390/ijerph19095536.Int J Environ Res Public Health. 2022.PMID: 35564931Free PMC article.
Sha F, Chang Q, Law YW, Hong Q, Yip PSF.Sha F, et al. Among authors: chang q.BMC Public Health. 2018 Feb 13;18(1):239. doi: 10.1186/s12889-018-5161-y.BMC Public Health. 2018.PMID: 29433460Free PMC article.
Chang Q, Xing J, Ho RTH, Yip PSF.Chang Q, et al.Psychiatry Res. 2019 Apr;274:269-273. doi: 10.1016/j.psychres.2019.02.054. Epub 2019 Feb 20.Psychiatry Res. 2019.PMID: 30825726
Zheng Y, Chang Q, Yip PSF.Zheng Y, et al. Among authors: chang q.Int J Environ Res Public Health. 2019 Jun 2;16(11):1959. doi: 10.3390/ijerph16111959.Int J Environ Res Public Health. 2019.PMID: 31159482Free PMC article.
Guo Y, Chan CH, Chang Q, Liu T, Yip PSF.Guo Y, et al. Among authors: chang q.Health Place. 2019 Jul;58:102146. doi: 10.1016/j.healthplace.2019.102146. Epub 2019 Jun 6.Health Place. 2019.PMID: 31177067