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van der Steen MS, Lenders JW, den Arend J, Pieters GF, Thien T, de Leeuw PW.van der Steen MS, et al. Among authors: thien t.J Hypertens. 1995 Dec;13(12 Pt 2):1585-8.J Hypertens. 1995.PMID: 8903614Clinical Trial.