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van der Wouw PA, Koster RW, Delemarre BJ, de Vos R, Lampe-Schoenmaeckers AJ, Lie KI.van der Wouw PA, et al. Among authors: koster rw.J Am Coll Cardiol. 1997 Sep;30(3):780-3. doi: 10.1016/s0735-1097(97)00218-0.J Am Coll Cardiol. 1997.PMID: 9283540Free article.Clinical Trial.
de Vos R, Koster RW, De Haan RJ, Oosting H, van der Wouw PA, Lampe-Schoenmaeckers AJ.de Vos R, et al. Among authors: koster rw.Arch Intern Med. 1999 Apr 26;159(8):845-50. doi: 10.1001/archinte.159.8.845.Arch Intern Med. 1999.PMID: 10219930
de Winter RJ, Koster RW, Sturk A, Sanders GT.de Winter RJ, et al. Among authors: koster rw.Circulation. 1995 Dec 15;92(12):3401-7. doi: 10.1161/01.cir.92.12.3401.Circulation. 1995.PMID: 8521560