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.
van Urk PR, van den Berg MP, van Royen BJ, Smeets EE, Curfs LM.van Urk PR, et al.Ned Tijdschr Geneeskd. 2014;158(3):A6686.Ned Tijdschr Geneeskd. 2014.PMID: 24423488Dutch.
Koning HM, Leusink JA, Nas AA, van Scheyen EJ, van Urk P, Haas FJ, Koning AJ.Koning HM, et al.Thorac Cardiovasc Surg. 1988 Feb;36(1):1-4. doi: 10.1055/s-2007-1020032.Thorac Cardiovasc Surg. 1988.PMID: 3287681
Pielkenrood BJ, van Urk PR, van der Velden JM, Kasperts N, Verhoeff JJC, Bol GH, Verkooijen HM, Verlaan JJ.Pielkenrood BJ, et al. Among authors: van urk pr.Acta Oncol. 2020 Mar;59(3):291-297. doi: 10.1080/0284186X.2019.1693059. Epub 2019 Nov 23.Acta Oncol. 2020.PMID: 31760850Free article.