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.
Oh MH, Hwang HS, Lee KM, Cho JH.Oh MH, et al.Angle Orthod. 2017 Sep;87(5):733-738. doi: 10.2319/122316-925.1. Epub 2017 May 22.Angle Orthod. 2017.PMID: 28530843Free PMC article.
Park WY, Kim MS, Kim MS, Oh MH, Lee SY, Kim SH, Cho JH.Park WY, et al. Among authors: oh mh.Korean J Orthod. 2019 Sep;49(5):299-309. doi: 10.4041/kjod.2019.49.5.299. Epub 2019 Sep 24.Korean J Orthod. 2019.PMID: 31598486Free PMC article.
Oh MH, Kim EA, Park AH, Kim M, Cho JH.Oh MH, et al.Korean J Orthod. 2020 Nov 25;50(6):363-372. doi: 10.4041/kjod.2020.50.6.363.Korean J Orthod. 2020.PMID: 33144525Free PMC article.