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Timmer JR, van der Horst IC, Ottervanger JP, De Luca G, van 't Hof AW, Bilo HJ, Zijlstra F.Timmer JR, et al. Among authors: ottervanger jp.Ital Heart J. 2004 Oct;5(10):727-31.Ital Heart J. 2004.PMID: 15626267