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Chung MS, Ha TK, Lee KG, Paik SS.Chung MS, et al. Among authors: ha tk.World J Gastroenterol. 2008 Aug 21;14(31):4964-7. doi: 10.3748/wjg.14.4964.World J Gastroenterol. 2008.PMID: 18756608Free PMC article.
An JY, Ha TK, Noh JH, Sohn TS, Kim S.An JY, et al. Among authors: ha tk.Arch Surg. 2009 Jan;144(1):38-45; discussion 45. doi: 10.1001/archsurg.2008.502.Arch Surg. 2009.PMID: 19153323
Ha TK, Jung MS, Lee KH, Lee KG, Kwon SJ.Ha TK, et al.Cancer Res Treat. 2009 Mar;41(1):19-23. doi: 10.4143/crt.2009.41.1.19. Epub 2009 Mar 31.Cancer Res Treat. 2009.PMID: 19688067Free PMC article.
Seo YK, Lee HJ, Ha TK, Lee KG.Seo YK, et al. Among authors: ha tk.J Laparoendosc Adv Surg Tech A. 2012 May;22(4):311-4. doi: 10.1089/lap.2011.0365. Epub 2012 Jan 30.J Laparoendosc Adv Surg Tech A. 2012.PMID: 22288883Clinical Trial.
Yi JH, Sim J, Park BB, Lee YY, Jung WS, Jang HJ, Ha TK, Paik SS.Yi JH, et al. Among authors: ha tk.Jpn J Clin Oncol. 2013 Dec;43(12):1269-72. doi: 10.1093/jjco/hyt158. Epub 2013 Oct 29.Jpn J Clin Oncol. 2013.PMID: 24168806Review.
Lee JH, Lee KN, Kim HI, Kim MG, Ha TK, Kwon SJ.Lee JH, et al. Among authors: ha tk.Surg Endosc. 2016 Jul;30(7):2743-50. doi: 10.1007/s00464-015-4541-y. Epub 2015 Oct 20.Surg Endosc. 2016.PMID: 26487206
Lee JH, Kim HI, Kim MG, Ha TK, Jung MS, Kwon SJ.Lee JH, et al. Among authors: ha tk.Surgery. 2016 Apr;159(4):1090-8. doi: 10.1016/j.surg.2015.11.002. Epub 2015 Dec 30.Surgery. 2016.PMID: 26747230