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.
Chang BC, Lim SH, Kim DK, Seo JY, Cho SY, Shim WH, Chung N, Kim SS, Cho BK.Chang BC, et al.J Heart Valve Dis. 2001 Mar;10(2):185-194; discussion195.J Heart Valve Dis. 2001.PMID: 11297205
Yoon YW, Choi D, Koo BK, Shim WH, Cho SY, Chang BC.Yoon YW, et al. Among authors: chang bc.Yonsei Med J. 2001 Aug;42(4):436-9. doi: 10.3349/ymj.2001.42.4.436.Yonsei Med J. 2001.PMID: 11519087Free article.
Ko YG, Choi DH, Jang YS, Chung NS, Shim WH, Cho SY, Yoo KJ, Chang BC, Choi BW.Ko YG, et al. Among authors: chang bc.Yonsei Med J. 2003 Jun 30;44(3):438-44. doi: 10.3349/ymj.2003.44.3.438.Yonsei Med J. 2003.PMID: 12833581Free article.
Park S, Min PK, Joung B, Ko YG, Choi D, Jang Y, Lee DY, Chang BC, Shim WH.Park S, et al. Among authors: chang bc.J Endovasc Ther. 2004 Aug;11(4):378-84. doi: 10.1583/04-1199.1.J Endovasc Ther. 2004.PMID: 15298508