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Chen Y, Qu L, Guo L.Chen Y, et al. Among authors: guo l.Endoscopy. 2022 Feb;54(2):222. doi: 10.1055/a-1690-6518. Epub 2022 Jan 27.Endoscopy. 2022.PMID: 35086156No abstract available.
Zhang Y, Liu L, Wang Q, Guo L, Ye L, Zeng H, Zeng X, Yuan X, Li Y, Zhang Y, Zhou E, Hu B.Zhang Y, et al. Among authors: guo l.Endoscopy. 2020 Dec;52(12):1066-1074. doi: 10.1055/a-1198-5232. Epub 2020 Jul 15.Endoscopy. 2020.PMID: 32668474Clinical Trial.
Guo L, Ye L, Feng Y, Bethge J, Yang J, Schreiber S, Hu B.Guo L, et al.Endoscopy. 2022 Jun;54(6):585-590. doi: 10.1055/a-1675-2625. Epub 2021 Dec 14.Endoscopy. 2022.PMID: 34905794Free PMC article.
Ye L, Zeng X, Yuan X, Guo L, Zhang Y, Li Y, Hu B.Ye L, et al. Among authors: guo l.Endoscopy. 2019 Mar;51(3):E55-E56. doi: 10.1055/a-0800-8286. Epub 2019 Jan 11.Endoscopy. 2019.PMID: 30634194
Zeng X, Yan P, Ye L, Guo L, Wu N, Hu B.Zeng X, et al. Among authors: guo l.Endoscopy. 2019 Apr;51(4):E73-E74. doi: 10.1055/a-0824-6162. Epub 2019 Jan 18.Endoscopy. 2019.PMID: 30658358No abstract available.