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.
Harpur A, Minton J, Ramsay J, McCartney G, Fenton L, Campbell H, Wood R.Harpur A, et al.BMC Public Health. 2021 May 27;21(1):995. doi: 10.1186/s12889-021-10928-0.BMC Public Health. 2021.PMID: 34044796Free PMC article.
Li Y, Campbell H, Kulkarni D, Harpur A, Nundy M, Wang X, Nair H; Usher Network for COVID-19 Evidence Reviews (UNCOVER) group.Li Y, et al. Among authors: harpur a.Lancet Infect Dis. 2021 Feb;21(2):193-202. doi: 10.1016/S1473-3099(20)30785-4. Epub 2020 Oct 22.Lancet Infect Dis. 2021.PMID: 33729915Free PMC article.
Harpur A, Crowe K, Turner E, Jobling K, Loureiro Harrison L, Paul G, Tran R, Farrell P.Harpur A, et al.Future Healthc J. 2024 Apr 21;11(2):100135. doi: 10.1016/j.fhj.2024.100135. eCollection 2024 Jun.Future Healthc J. 2024.PMID: 38766625Free PMC article.
Hindle E; SQUARES Net.Hindle E, et al.BMJ Qual Improv Rep. 2016 Nov 10;5(1):u208541.w3405. doi: 10.1136/bmjquality.u208541.w3405. eCollection 2016.BMJ Qual Improv Rep. 2016.PMID: 27933152Free PMC article.