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Kamp O, Roelandt J, Kraaijeveld CL.Kamp O, et al. Among authors: kraaijeveld cl.Ned Tijdschr Geneeskd. 1984 Sep 1;128(35):1652-6.Ned Tijdschr Geneeskd. 1984.PMID: 6434999Dutch.No abstract available.
van der Knaap MS, Kamphorst W, Barth PG, Kraaijeveld CL, Gut E, Valk J.van der Knaap MS, et al. Among authors: kraaijeveld cl.Neurology. 1998 Aug;51(2):540-7. doi: 10.1212/wnl.51.2.540.Neurology. 1998.PMID: 9710032Clinical Trial.