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Schneider MM, Reiss P, Borleffs JC, Rozenberg-Arska M, Hoepelman IM.Schneider MM, et al.Ned Tijdschr Geneeskd. 1997 Jan 11;141(2):80-3.Ned Tijdschr Geneeskd. 1997.PMID: 9036351Review.Dutch.