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Chen JH, Zhang MX, Ko CH, Tong KK, Yu SM, Sou EKL, Wu AMS.Chen JH, et al. Among authors: ko ch.Int J Environ Res Public Health. 2020 May 14;17(10):3412. doi: 10.3390/ijerph17103412.Int J Environ Res Public Health. 2020.PMID: 32422914Free PMC article.
Ko CH, Yen JY, Chen CC, Chen SH, Yen CF.Ko CH, et al.J Nerv Ment Dis. 2005 Nov;193(11):728-33. doi: 10.1097/01.nmd.0000185891.13719.54.J Nerv Ment Dis. 2005.PMID: 16260926
Ko CH, Yen JY, Yen CF, Chen CC, Yen CN, Chen SH.Ko CH, et al.Kaohsiung J Med Sci. 2005 Dec;21(12):545-51. doi: 10.1016/S1607-551X(09)70206-2.Kaohsiung J Med Sci. 2005.PMID: 16670046Free article.
Yen JY, Ko CH, Yen CF, Wu HY, Yang MJ.Yen JY, et al. Among authors: ko ch.J Adolesc Health. 2007 Jul;41(1):93-8. doi: 10.1016/j.jadohealth.2007.02.002. Epub 2007 Apr 12.J Adolesc Health. 2007.PMID: 17577539
Ko CH, Yen JY, Chen SH, Yang MJ, Lin HC, Yen CF.Ko CH, et al.Compr Psychiatry. 2009 Jul-Aug;50(4):378-84. doi: 10.1016/j.comppsych.2007.05.019. Epub 2009 May 5.Compr Psychiatry. 2009.PMID: 19486737
Ko CH, Liu GC, Yen JY, Chen CY, Yen CF, Chen CS.Ko CH, et al.Addict Biol. 2013 May;18(3):559-69. doi: 10.1111/j.1369-1600.2011.00405.x. Epub 2011 Oct 26.Addict Biol. 2013.PMID: 22026537
Ko CH, Liu GC, Yen JY, Yen CF, Chen CS, Lin WC.Ko CH, et al.J Psychiatr Res. 2013 Apr;47(4):486-93. doi: 10.1016/j.jpsychires.2012.11.008. Epub 2012 Dec 13.J Psychiatr Res. 2013.PMID: 23245948
Liu GC, Yen JY, Chen CY, Yen CF, Chen CS, Lin WC, Ko CH.Liu GC, et al. Among authors: ko ch.Kaohsiung J Med Sci. 2014 Jan;30(1):43-51. doi: 10.1016/j.kjms.2013.08.005. Epub 2013 Sep 14.Kaohsiung J Med Sci. 2014.PMID: 24388058Free article.