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Carlsen JE, Køber L, Torp-Pedersen CT, Johansen P.Carlsen JE, et al.Ugeskr Laeger. 1990 Oct 15;152(42):3072-5.Ugeskr Laeger. 1990.PMID: 2238184Clinical Trial.Danish.
Hildebrandt P, Jensen G, Køber L, Torp-Pedersen C, Joen T, Ege M, Høst U, Nielsen F, Melchior T, Ringsdal V.Hildebrandt P, et al.Eur Heart J. 1994 Jul;15(7):877-81. doi: 10.1093/oxfordjournals.eurheartj.a060604.Eur Heart J. 1994.PMID: 7925506