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.
Zeldow B, Flory J, Stephens-Shields A, Raebel M, Roy JA.Zeldow B, et al. Among authors: raebel m.Stat Methods Med Res. 2021 Mar;30(3):655-670. doi: 10.1177/0962280220965630. Epub 2020 Nov 11.Stat Methods Med Res. 2021.PMID: 33176615
McNicholl IR, Raebel MA.McNicholl IR, et al. Among authors: raebel ma.Pharmacotherapy. 1999 Dec;19(12):1363-8. doi: 10.1592/phco.19.18.1363.30899.Pharmacotherapy. 1999.PMID: 10600084