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.
Liu JH, Lynch JE, Rosales-Velderrain A, Chang DG, Weinreb RN, Hargens AR.Liu JH, et al. Among authors: chang dg.Aviat Space Environ Med. 2013 Sep;84(9):995-1000. doi: 10.3357/asem.3575.2013.Aviat Space Environ Med. 2013.PMID: 24024314Free PMC article.
Lee DK, Duong ET, Chang DG.Lee DK, et al. Among authors: chang dg.AORN J. 2010 Mar;91(3):326-37; quiz 338-40. doi: 10.1016/j.aorn.2009.11.064.AORN J. 2010.PMID: 20193798
Park CK, Zlomislic V, Du J, Huang BK, Chang EY, Chang DG.Park CK, et al. Among authors: chang ey, chang dg.PM R. 2018 Dec;10(12):1417-1421. doi: 10.1016/j.pmrj.2018.05.005. Epub 2018 Jun 1.PM R. 2018.PMID: 29775802Free PMC article.