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.
Kantidakis G, Putter H, Litière S, Fiocco M.Kantidakis G, et al.BMC Med Res Methodol. 2023 Feb 24;23(1):51. doi: 10.1186/s12874-023-01866-z.BMC Med Res Methodol. 2023.PMID: 36829145Free PMC article.
Kantidakis G, Putter H, Lancia C, Boer J, Braat AE, Fiocco M.Kantidakis G, et al.BMC Med Res Methodol. 2020 Nov 16;20(1):277. doi: 10.1186/s12874-020-01153-1.BMC Med Res Methodol. 2020.PMID: 33198650Free PMC article.