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.
Johnson O, Begg K, Kelly AH, Sevdalis N.Johnson O, et al.Health Policy Plan. 2021 Mar 3;36(1):117-133. doi: 10.1093/heapol/czaa078.Health Policy Plan. 2021.PMID: 33313871Free PMC article.Review.
Robertson LJ, Maposa I, Somaroo H, Johnson O.Robertson LJ, et al. Among authors: johnson o.S Afr Med J. 2020 Sep 30;110(10):1010-1019. doi: 10.7196/SAMJ.2020.v110i10.15022.S Afr Med J. 2020.PMID: 33205731Review.
Johnson O, Sahr F, Begg K, Sevdalis N, Kelly AH.Johnson O, et al.Health Policy Plan. 2021 Nov 11;36(10):1644-1658. doi: 10.1093/heapol/czab076.Health Policy Plan. 2021.PMID: 34226922Free PMC article.
Johnson O, Bawoh M, Begg K, Bell N, Jalloh MB, Gbao D, N'Jai A, Sahr F, Samai M, Kelly AH, Sevdalis N.Johnson O, et al.Glob Public Health. 2023 Jan;18(1):2222322. doi: 10.1080/17441692.2023.2222322.Glob Public Health. 2023.PMID: 37344356Free article.
Johnson O, Goronga T.Johnson O, et al.Afr J Prim Health Care Fam Med. 2020 Jun 22;12(1):e1-e3. doi: 10.4102/phcfm.v12i1.2496.Afr J Prim Health Care Fam Med. 2020.PMID: 32634005Free PMC article.
Kaufman JS, Asuzu MC, Rotimi CN, Johnson OO, Owoaje EE, Cooper RS.Kaufman JS, et al. Among authors: johnson oo.Bull World Health Organ. 1997;75(5):389-95.Bull World Health Organ. 1997.PMID: 9447773Free PMC article.
Jain V, Brown CS, Johnson O.Jain V, et al. Among authors: johnson o.Glob Health Action. 2015 Feb 9;8:26757. doi: 10.3402/gha.v8.26757. eCollection 2015.Glob Health Action. 2015.PMID: 25669239Free PMC article.No abstract available.
Lado M, Walker NF, Baker P, Haroon S, Brown CS, Youkee D, Studd N, Kessete Q, Maini R, Boyles T, Hanciles E, Wurie A, Kamara TB, Johnson O, Leather AJM.Lado M, et al. Among authors: johnson o.Lancet Infect Dis. 2015 Sep;15(9):1024-1033. doi: 10.1016/S1473-3099(15)00137-1. Epub 2015 Jul 23.Lancet Infect Dis. 2015.PMID: 26213248