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.
Lee HK, Lee KD, Merchant AT, Lee SK, Song KB, Lee SG, Choi YH.Lee HK, et al. Among authors: merchant at.Arch Gerontol Geriatr. 2010 Jan-Feb;50(1):30-3. doi: 10.1016/j.archger.2009.01.005. Epub 2009 Feb 23.Arch Gerontol Geriatr. 2010.PMID: 19230988
Kim EK, Lee SG, Choi YH, Won KC, Moon JS, Merchant AT, Lee HK.Kim EK, et al. Among authors: merchant at.BMC Oral Health. 2013 Nov 7;13:64. doi: 10.1186/1472-6831-13-64.BMC Oral Health. 2013.PMID: 24195646Free PMC article.
Lee HK, Choi SH, Won KC, Merchant AT, Song KB, Jeong SH, Lee SK, Choi YH.Lee HK, et al. Among authors: merchant at.Yonsei Med J. 2009 Aug 31;50(4):529-36. doi: 10.3349/ymj.2009.50.4.529. Epub 2009 Aug 19.Yonsei Med J. 2009.PMID: 19718402Free PMC article.Clinical Trial.
Chung SY, Kwon H, Choi YH, Karmaus W, Merchant AT, Song KB, Sakong J, Ha M, Hong YC, Kang D.Chung SY, et al. Among authors: merchant at.Int Dent J. 2012 Apr;62(2):65-9. doi: 10.1111/j.1875-595X.2011.00089.x.Int Dent J. 2012.PMID: 22420473Free PMC article.
Lee KS, Lee SG, Kim EK, Jin HJ, Im SU, Lee HK, Merchant AT, Song KB, Choi YH.Lee KS, et al. Among authors: merchant at.J Clin Periodontol. 2015 Feb;42(2):105-12. doi: 10.1111/jcpe.12338. Epub 2015 Jan 20.J Clin Periodontol. 2015.PMID: 25469423
Baek HJ, Kim EK, Lee SG, Jeong SH, Sakong J, Merchant AT, Im SU, Song KB, Choi YH.Baek HJ, et al. Among authors: merchant at.Int Dent J. 2016 Jun;66(3):136-43. doi: 10.1111/idj.12214. Epub 2016 Feb 1.Int Dent J. 2016.PMID: 26833490Free PMC article.