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.
Bernsen HJ, van der Kogel AJ, van Daal WA, Rijken PF.Bernsen HJ, et al. Among authors: rijken pf.Ned Tijdschr Geneeskd. 1997 Feb 22;141(8):364-8.Ned Tijdschr Geneeskd. 1997.PMID: 9157295Review.Dutch.
van der Sanden BP, Rijken PF, Heerschap A, Bernsen HJ, van der Kogel AJ.van der Sanden BP, et al. Among authors: rijken pf.Br J Cancer. 1997;75(10):1432-8. doi: 10.1038/bjc.1997.246.Br J Cancer. 1997.PMID: 9166934Free PMC article.