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Lemmens K, Fransen P, Sys SU, Brutsaert DL, De Keulenaer GW.Lemmens K, et al. Among authors: brutsaert dl.Circulation. 2004 Jan 27;109(3):324-6. doi: 10.1161/01.CIR.0000114521.88547.5E. Epub 2004 Jan 19.Circulation. 2004.PMID: 14732742