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.
Cornain S, de Vries JE, Collard J, Vennegoor C, van Wingerden I, Rümke P.Cornain S, et al. Among authors: vennegoor c.Int J Cancer. 1975 Dec 15;16(6):981-97. doi: 10.1002/ijc.2910160612.Int J Cancer. 1975.PMID: 1104492
Ringens PJ, van Haperen R, Vennegoor C, de Jong PT, van Duinen SG, Ruiter DJ, van der Kamp AW.Ringens PJ, et al. Among authors: vennegoor c.Graefes Arch Clin Exp Ophthalmol. 1989;227(3):287-90. doi: 10.1007/BF02172764.Graefes Arch Clin Exp Ophthalmol. 1989.PMID: 2661335