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Kim BC, Han KS, Hong CW, Sohn DK, Park JW, Park SC, Kim SY, Baek JY, Choi HS, Chang HJ, Kim DY, Oh JH.Kim BC, et al. Among authors: chang hj.J Dig Dis. 2012 May;13(5):258-66. doi: 10.1111/j.1751-2980.2012.00564.x.J Dig Dis. 2012.PMID: 22500788
Kim TH, Kim DY, Cho KH, Kim YH, Jung KH, Ahn JB, Chang HJ, Kim JY, Choi HS, Lim SB, Sohn DK, Jeong SY.Kim TH, et al. Among authors: chang hj.Strahlenther Onkol. 2005 Sep;181(9):601-5. doi: 10.1007/s00066-005-1398-3.Strahlenther Onkol. 2005.PMID: 16170488
Kim DW, Kim DY, Kim TH, Jung KH, Chang HJ, Sohn DK, Lim SB, Choi HS, Jeong SY, Park JG.Kim DW, et al. Among authors: chang hj.Cancer. 2006 Apr 15;106(8):1694-700. doi: 10.1002/cncr.21794.Cancer. 2006.PMID: 16532432Free article.
Lee SH, Kim TH, Kim DY, Cho KH, Kim JY, Park SY, Kim DH, Lim SB, Choi HS, Chang HJ.Lee SH, et al. Among authors: chang hj.Clin Oncol (R Coll Radiol). 2006 Aug;18(6):441-6. doi: 10.1016/j.clon.2006.05.001.Clin Oncol (R Coll Radiol). 2006.PMID: 16909966Clinical Trial.
Lim SB, Jeong SY, Kim IJ, Kim DY, Jung KH, Chang HJ, Choi HS, Sohn DK, Kang HC, Shin Y, Jang SG, Park JH, Park JG.Lim SB, et al. Among authors: chang hj.World J Gastroenterol. 2006 Nov 7;12(41):6689-92. doi: 10.3748/wjg.v12.i41.6689.World J Gastroenterol. 2006.PMID: 17075985Free PMC article.