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Shantha Kumara HM, Tohme ST, Yan X, Nasar A, Senagore AJ, Kalady MF, Hyman N, Kim IY, Whelan RL.Shantha Kumara HM, et al. Among authors: yan x.Surg Endosc. 2011 Jun;25(6):1939-44. doi: 10.1007/s00464-010-1491-2. Epub 2010 Dec 22.Surg Endosc. 2011.PMID: 21181203
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Shantha Kumara HM, Kirchoff D, Herath SA, Jang JH, Yan X, Grieco M, Cekic V, Whelan RL.Shantha Kumara HM, et al. Among authors: yan x.Surg Endosc. 2012 Oct;26(10):2751-7. doi: 10.1007/s00464-012-2269-5. Epub 2012 May 2.Surg Endosc. 2012.PMID: 22549372