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den Heijer M, Brouwer IA, Bos GM, Blom HJ, van der Put NM, Spaans AP, Rosendaal FR, Thomas CM, Haak HL, Wijermans PW, Gerrits WB.den Heijer M, et al. Among authors: haak hl.Arterioscler Thromb Vasc Biol. 1998 Mar;18(3):356-61. doi: 10.1161/01.atv.18.3.356.Arterioscler Thromb Vasc Biol. 1998.PMID: 9514403Clinical Trial.