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.
Koopman JJE, Teng YKO, Boon CJF, van den Heuvel LP, Rabelink TJ, van Kooten C, de Vries APJ.Koopman JJE, et al.Neth J Med. 2019 Jan;77(1):10-18.Neth J Med. 2019.PMID: 30774098Free article.Review.
Faraji Y, van Rijn JW, van Nispen RMA, van Rens GHMB, Melis-Dankers BJM, Koopman J, van Rijn LJ.Faraji Y, et al.Behav Res Methods. 2023 Oct;55(7):3820-3830. doi: 10.3758/s13428-022-01991-5. Epub 2022 Oct 17.Behav Res Methods. 2023.PMID: 36253600Free PMC article.
van der Heiden W, Koopman JJEB, Appelman-Dijkstra NM, den Exter PL.van der Heiden W, et al. Among authors: koopman jjeb.Ned Tijdschr Geneeskd. 2022 Jun 20;166:D6367.Ned Tijdschr Geneeskd. 2022.PMID: 35736382Dutch.