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 Heest F, Finlay I, Otter R, Jong BM.van Heest F, et al. Among authors: otter r.Br J Gen Pract. 2007 Jun;57(539):494-6.Br J Gen Pract. 2007.PMID: 17550677Free PMC article.
Engelen MJ, Kos HE, Willemse PH, Aalders JG, de Vries EG, Schaapveld M, Otter R, van der Zee AG.Engelen MJ, et al. Among authors: otter r.Cancer. 2006 Feb 1;106(3):589-98. doi: 10.1002/cncr.21616.Cancer. 2006.PMID: 16369985Free article.