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Lee YJ, Ha WS, Park ST, Choi SK, Hong SC, Park JW.Lee YJ, et al. Among authors: ha ws.J Laparoendosc Adv Surg Tech A. 2008 Jun;18(3):357-63. doi: 10.1089/lap.2007.0024.J Laparoendosc Adv Surg Tech A. 2008.PMID: 18503367Clinical Trial.
Kim SG, Lee YJ, Ha WS, Jung EJ, Ju YT, Jeong CY, Hong SC, Choi SK, Park ST, Bae K.Kim SG, et al. Among authors: ha ws.J Laparoendosc Adv Surg Tech A. 2008 Aug;18(4):572-8. doi: 10.1089/lap.2007.0106.J Laparoendosc Adv Surg Tech A. 2008.PMID: 18721007
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Jeong SH, Lee YJ, Park ST, Choi SK, Hong SC, Jung EJ, Ju YT, Jeong CY, Ha WS.Jeong SH, et al. Among authors: ha ws.J Gastric Cancer. 2011 Mar;11(1):55-8. doi: 10.5230/jgc.2011.11.1.55. Epub 2011 Mar 31.J Gastric Cancer. 2011.PMID: 22076202Free PMC article.
Jeong SH, Lee YJ, Yoo MW, Park ST, Choi SK, Hong SC, Jung EJ, Ju YT, Jeong CY, Ha WS.Jeong SH, et al. Among authors: ha ws.J Laparoendosc Adv Surg Tech A. 2012 Mar;22(2):132-8. doi: 10.1089/lap.2011.0319. Epub 2012 Feb 3.J Laparoendosc Adv Surg Tech A. 2012.PMID: 22303930