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Liu OW, Chun CD, Chow ED, Chen C, Madhani HD, Noble SM.Liu OW, et al. Among authors: chun cd.Cell. 2008 Oct 3;135(1):174-88. doi: 10.1016/j.cell.2008.07.046.Cell. 2008.PMID: 18854164Free PMC article.
Bi X, Zhai J, Chun CD.Bi X, et al. Among authors: chun cd.Respir Med Case Rep. 2017 Oct 31;23:4-7. doi: 10.1016/j.rmcr.2017.10.013. eCollection 2018.Respir Med Case Rep. 2017.PMID: 29159031Free PMC article.