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de Jongste MJ, van der Harst LC, Russchen CJ, Steffelaar JW.de Jongste MJ, et al. Among authors: russchen cj.Ned Tijdschr Geneeskd. 1980 May 31;124(22):890-1.Ned Tijdschr Geneeskd. 1980.PMID: 7383210Dutch.No abstract available.