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Stensvold I, Urdal P, Thürmer H, Tverdal A, Lund-Larsen PG, Foss OP.Stensvold I, et al. Among authors: tverdal a.Eur Heart J. 1992 Sep;13(9):1155-63. doi: 10.1093/oxfordjournals.eurheartj.a060331.Eur Heart J. 1992.PMID: 1396823