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 TJ, Koo KC.Kim TJ, et al. Among authors: koo kc.Yonsei Med J. 2023 Jul;64(7):433-439. doi: 10.3349/ymj.2023.0054.Yonsei Med J. 2023.PMID: 37365737Free PMC article.
Koo KC, Kim WT, Ham WS, Lee JS, Ju HJ, Choi YD.Koo KC, et al.Yonsei Med J. 2010 Sep;51(5):728-34. doi: 10.3349/ymj.2010.51.5.728.Yonsei Med J. 2010.PMID: 20635448Free PMC article.
Koo KC, Lee DH, Kim KH, Lee SH, Hong CH, Hong SJ, Chung BH.Koo KC, et al.Yonsei Med J. 2014 May;55(3):570-5. doi: 10.3349/ymj.2014.55.3.570. Epub 2014 Apr 1.Yonsei Med J. 2014.PMID: 24719121Free PMC article.Clinical Trial.
Koo KC, Yoon YE, Chung BH, Hong SJ, Rha KH.Koo KC, et al.Yonsei Med J. 2014 Sep;55(5):1359-65. doi: 10.3349/ymj.2014.55.5.1359.Yonsei Med J. 2014.PMID: 25048497Free PMC article.
Komninos C, Tuliao P, Koo KC, Chang CH, Han WK, Rha KH.Komninos C, et al. Among authors: koo kc.Yonsei Med J. 2015 Mar;56(2):382-7. doi: 10.3349/ymj.2015.56.2.382.Yonsei Med J. 2015.PMID: 25683985Free PMC article.
Koo KC, Park SU, Kim KH, Rha KH, Hong SJ, Yang SC, Chung BH.Koo KC, et al.Yonsei Med J. 2015 Sep;56(5):1206-12. doi: 10.3349/ymj.2015.56.5.1206.Yonsei Med J. 2015.PMID: 26256961Free PMC article.
Jang HS, Koo KC, Cho KS, Chung BH.Jang HS, et al. Among authors: koo kc.Yonsei Med J. 2016 Sep;57(5):1070-8. doi: 10.3349/ymj.2016.57.5.1070.Yonsei Med J. 2016.PMID: 27401636Free PMC article.
Lee KS, Ha JS, Koo KC.Lee KS, et al. Among authors: koo kc.Yonsei Med J. 2017 Sep;58(5):988-993. doi: 10.3349/ymj.2017.58.5.988.Yonsei Med J. 2017.PMID: 28792143Free PMC article.
Heo JE, Koo KC, Hong SJ, Park SU, Chung BH, Lee KS.Heo JE, et al. Among authors: koo kc.Yonsei Med J. 2018 Mar;59(2):219-225. doi: 10.3349/ymj.2018.59.2.219.Yonsei Med J. 2018.PMID: 29436189Free PMC article.
Koo KC, Dasgupta P.Koo KC, et al.Yonsei Med J. 2018 Jul;59(5):567-579. doi: 10.3349/ymj.2018.59.5.567.Yonsei Med J. 2018.PMID: 29869454Free PMC article.Review.