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Derkx FH, van den Meiracker AH, van Jaarsveld BC, Man in 't Veld AJ, Pieterman H, Oei Y, Schalekamp MA.Derkx FH, et al. Among authors: schalekamp ma.Neth J Med. 1993 Nov;43 Suppl 1:S12-9.Neth J Med. 1993.PMID: 8289973No abstract available.