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.
Derkx FH, van den Meiracker AH, van Jaarsveld BC, Man in 't Veld AJ, Pieterman H, Oei Y, Schalekamp MA.Derkx FH, et al.Neth J Med. 1993 Nov;43 Suppl 1:S12-9.Neth J Med. 1993.PMID: 8289973No abstract available.
Losekoot M, Beijer C, Giordano PC, van Gemeren AD, Oei YB, Bernini LF.Losekoot M, et al. Among authors: oei yb.Ned Tijdschr Geneeskd. 1989 Jun 17;133(24):1218-23.Ned Tijdschr Geneeskd. 1989.PMID: 2664535Dutch.