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 Bekkum DW, Knaan S, Zurcher C.van Bekkum DW, et al. Among authors: knaan s.Transplant Proc. 1980 Jun;12(2):278-82.Transplant Proc. 1980.PMID: 6994295No abstract available.
van Bekkum DW, Knaan S.van Bekkum DW, et al. Among authors: knaan s.J Natl Cancer Inst. 1977 Mar;58(3):787-90. doi: 10.1093/jnci/58.3.787.J Natl Cancer Inst. 1977.PMID: 14265
Blankenstein MA, Broerse JJ, de Vries JB, van den Berg KJ, Knaan S, van der Molen HJ.Blankenstein MA, et al. Among authors: knaan s.Eur J Cancer (1965). 1977 Dec;13(12):1437-43. doi: 10.1016/0014-2964(77)90158-x.Eur J Cancer (1965). 1977.PMID: 598389No abstract available.