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Liu Z, Dou X, Guo J, Zhao Y, Zhang J, Ren W, Tang S, Zhang Y, Zhang X, Huang L, Lin L.Liu Z, et al. Among authors: guo j.Ultrasound Med Biol. 2020 Jun;46(6):1428-1434. doi: 10.1016/j.ultrasmedbio.2020.02.011. Epub 2020 Mar 23.Ultrasound Med Biol. 2020.PMID: 32217027Free article.
Guo J, Liu Z, Sun S, Wang S, Ge N, Liu X, Wang G, Yang X.Guo J, et al.BMC Gastroenterol. 2013 May 16;13:88. doi: 10.1186/1471-230X-13-88.BMC Gastroenterol. 2013.PMID: 23679863Free PMC article.
Li N, Qi H, Liu Z, Ge N, Guo J, Wang G, Liu X, Wang S, Sun S.Li N, et al. Among authors: guo j.Endosc Ultrasound. 2012 Jul;1(2):90-5. doi: 10.7178/eus.02.007.Endosc Ultrasound. 2012.PMID: 24949344Free PMC article.
Guo J, Liu Z, Sun S, Wang S, Ge N, Liu X, Wang G, Liu W.Guo J, et al.Endosc Ultrasound. 2013 Jul;2(3):125-33. doi: 10.7178/eus.06.003.Endosc Ultrasound. 2013.PMID: 24949380Free PMC article.Review.
Guo J, Liu Z, Sun S, Liu X, Wang S, Ge N, Wang G, Qi Y.Guo J, et al.Surg Endosc. 2015 Nov;29(11):3356-62. doi: 10.1007/s00464-015-4076-2. Epub 2015 Feb 21.Surg Endosc. 2015.PMID: 25701060Free PMC article.
Liu Z, Guo J, Wang S, Zhao Y, Li J, Ren W, Tang S, Xie L, Huang Y, Sun S, Huang L.Liu Z, et al. Among authors: guo j.BMC Cancer. 2015 Nov 25;15:932. doi: 10.1186/s12885-015-1943-0.BMC Cancer. 2015.PMID: 26606926Free PMC article.
Guo J, Liu Z, Sun S, Liu X, Wang S.Guo J, et al.Endosc Ultrasound. 2016 Mar-Apr;5(2):132-3. doi: 10.4103/2303-9027.180479.Endosc Ultrasound. 2016.PMID: 27080613Free PMC article.
Liu Z, Guo J, Wang S, Zhao Y, Liu Z, Li J, Ren W, Tang S, Xie L, Huang Y, Sun S, Huang L.Liu Z, et al. Among authors: guo j.Ultrasound Med Biol. 2017 Jul;43(7):1364-1371. doi: 10.1016/j.ultrasmedbio.2017.02.008. Epub 2017 Apr 28.Ultrasound Med Biol. 2017.PMID: 28461064Free article.Clinical Trial.