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.
Cohee BM, Koplin SA, Shimeall WT, Quast TM, Hartzell JD.Cohee BM, et al. Among authors: hartzell jd.J Grad Med Educ. 2015 Mar;7(1):105-8. doi: 10.4300/JGME-D-14-00315.1.J Grad Med Educ. 2015.PMID: 26217434Free PMC article.
Sadowski BW, Medina HA, Hartzell JD, Shimeall WT.Sadowski BW, et al. Among authors: hartzell jd.J Grad Med Educ. 2017 Dec;9(6):755-758. doi: 10.4300/JGME-D-17-00259.1.J Grad Med Educ. 2017.PMID: 29270267Free PMC article.