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Lin CJ, Chang YC, Chang YH, Hsiao YH, Lin HH, Liu SJ, Chao CA, Wang H, Yeh TL.Lin CJ, et al. Among authors: chang yh, chang yc.J Clin Med. 2019 Nov 6;8(11):1884. doi: 10.3390/jcm8111884.J Clin Med. 2019.PMID: 31698704Free PMC article.
Lee CM, Chang FC, Miao NF, Shyu ML, Lee SC, Chang YC, Lin SH, Chen YT, Hsu MC, Ruo JP.Lee CM, et al. Among authors: chang fc, chang yc.Subst Use Misuse. 2011;46(10):1265-74. doi: 10.3109/10826084.2011.571332. Epub 2011 May 27.Subst Use Misuse. 2011.PMID: 21619445