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.
Jo BJ, Chung TS, Lee MS, Joo JY, Ebert W, Weinmann HJ, Chien D, Laub G.Jo BJ, et al. Among authors: joo jy.Yonsei Med J. 1999 Oct;40(5):413-9. doi: 10.3349/ymj.1999.40.5.413.Yonsei Med J. 1999.PMID: 10565249Free article.
Lim YC, Kim CH, Kim YB, Joo JY, Shin YS, Chung J.Lim YC, et al. Among authors: joo jy.Yonsei Med J. 2015 Mar;56(2):403-9. doi: 10.3349/ymj.2015.56.2.403.Yonsei Med J. 2015.PMID: 25683988Free PMC article.
Kim YB, Hong CK, Chung J, Joo JY, Huh SK.Kim YB, et al. Among authors: joo jy.Yonsei Med J. 2014 Mar;55(2):401-9. doi: 10.3349/ymj.2014.55.2.401.Yonsei Med J. 2014.PMID: 24532510Free PMC article.Clinical Trial.
Jang EW, Kim YB, Chung J, Suh SH, Hong CK, Joo JY.Jang EW, et al. Among authors: joo jy.Yonsei Med J. 2015 Jul;56(4):987-92. doi: 10.3349/ymj.2015.56.4.987.Yonsei Med J. 2015.PMID: 26069121Free PMC article.