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.
Ryu S, Hwang Y, Yoon H, Chun BC.Ryu S, et al.Disaster Med Public Health Prep. 2022 Apr;16(2):464-467. doi: 10.1017/dmp.2020.374. Epub 2020 Oct 12.Disaster Med Public Health Prep. 2022.PMID: 33040761Free PMC article.
Ryu S, Yang K, Chun BC.Ryu S, et al.J Prev Med Public Health. 2017 Jul;50(4):274-277. doi: 10.3961/jpmph.17.066. Epub 2017 Jun 28.J Prev Med Public Health. 2017.PMID: 28768406Free PMC article.
Ryu S, Kim BI, Lim JS, Tan CS, Chun BC.Ryu S, et al.J Prev Med Public Health. 2017 Nov;50(6):411-414. doi: 10.3961/jpmph.17.097.J Prev Med Public Health. 2017.PMID: 29207450Free PMC article.