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Liu CH, Lin IC, Lu JJ, Cai D.Liu CH, et al. Among authors: cai d.JMIR Mhealth Uhealth. 2019 Jul 31;7(7):e14531. doi: 10.2196/14531.JMIR Mhealth Uhealth. 2019.PMID: 31368444Free PMC article.
Liu CH, Tsai MJ, Hsu CF, Tsai CH, Su YS, Cai DC.Liu CH, et al.Int J Environ Res Public Health. 2023 Feb 3;20(3):2713. doi: 10.3390/ijerph20032713.Int J Environ Res Public Health. 2023.PMID: 36768079Free PMC article.
Cai DC, Chen CY, Lo TY.Cai DC, et al.Healthcare (Basel). 2022 Dec 20;11(1):9. doi: 10.3390/healthcare11010009.Healthcare (Basel). 2022.PMID: 36611469Free PMC article.Review.
Wang CY, Hsu CJ, Cai D.Wang CY, et al. Among authors: cai d.BMC Public Health. 2022 Jun 24;22(1):1249. doi: 10.1186/s12889-022-13613-y.BMC Public Health. 2022.PMID: 35751054Free PMC article.