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Piao C, Koul A, Gui D, Chen LX, Sarkar S.Piao C, et al. Among authors: gui d.ACG Case Rep J. 2019 Dec 12;6(12):e00257. doi: 10.14309/crj.0000000000000257. eCollection 2019 Dec.ACG Case Rep J. 2019.PMID: 32042840Free PMC article.