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Nordrehaug JE, Johannessen KA, von der Lippe G, Sederholm M, Grøttum P, Kjekshus J.Nordrehaug JE, et al. Among authors: kjekshus j.Br Heart J. 1985 Apr;53(4):388-93. doi: 10.1136/hrt.53.4.388.Br Heart J. 1985.PMID: 3885979Free PMC article.Clinical Trial.
Sederholm M, Grøttum P, Kjekshus J, Erhardt L.Sederholm M, et al. Among authors: kjekshus j.Am Heart J. 1985 Sep;110(3):521-8. doi: 10.1016/0002-8703(85)90069-9.Am Heart J. 1985.PMID: 3898795Clinical Trial.
von der Lippe G, Lund-Johansen P, Kjekshus J.von der Lippe G, et al. Among authors: kjekshus j.Acta Med Scand Suppl. 1981;651:253-63. doi: 10.1111/j.0954-6820.1981.tb03665.x.Acta Med Scand Suppl. 1981.PMID: 6948502Clinical Trial.