An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Kim CW, Cho JH, Leem JH, Ryu JS, Lee HL, Hong YC.Kim CW, et al. Among authors: ryu js.Yonsei Med J. 2004 Apr 30;45(2):325-9. doi: 10.3349/ymj.2004.45.2.325.Yonsei Med J. 2004.PMID: 15119006Free article.
Ryu JS, Cho JW, Moon TH, Lee HL, Han HS, Choi GS.Ryu JS, et al.Yonsei Med J. 2000 Oct;41(5):666-8. doi: 10.3349/ymj.2000.41.5.666.Yonsei Med J. 2000.PMID: 11079629Free article.
Ryu JS, Cho JH, Kwak SM, Lee HL, Lee IK.Ryu JS, et al.Yonsei Med J. 2002 Aug;43(4):543-6. doi: 10.3349/ymj.2002.43.4.543.Yonsei Med J. 2002.PMID: 12205746Free article.
Ryu JS, Cho JH, Han HS, Jung MH, Yoon YH, Song ES, Lee JY, Kim SY, Lee KW, Kwak SM, Lee HL.Ryu JS, et al.Yonsei Med J. 2003 Aug 30;44(4):732-5. doi: 10.3349/ymj.2003.44.4.732.Yonsei Med J. 2003.PMID: 12950134Free article.
Ryu JS, Lee HJ, Cho JH, Han HS, Lee HL.Ryu JS, et al.Respirology. 2003 Dec;8(4):487-91. doi: 10.1046/j.1440-1843.2003.00502.x.Respirology. 2003.PMID: 14629653
Ryu JS, Hong YC, Han HS, Lee JE, Kim S, Park YM, Kim YC, Hwang TS.Ryu JS, et al.Lung Cancer. 2004 Jun;44(3):311-6. doi: 10.1016/j.lungcan.2003.11.019.Lung Cancer. 2004.PMID: 15140544
Kwak SM, Park CS, Cho JH, Ryu JS, Kim SK, Chang J, Kim SK.Kwak SM, et al. Among authors: ryu js.Yonsei Med J. 2004 Oct 31;45(5):822-8. doi: 10.3349/ymj.2004.45.5.822.Yonsei Med J. 2004.PMID: 15515192Free article.Clinical Trial.
Ahn IS, Kim HG, Ryu JS, Kim L, Kwak SM, Lee HL, Yoon YH, Cho JH.Ahn IS, et al. Among authors: ryu js.Yonsei Med J. 2005 Feb 28;46(1):173-6. doi: 10.3349/ymj.2005.46.1.173.Yonsei Med J. 2005.PMID: 15744824Free PMC article.