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Frisk-Holmberg M, Essén B, Fredrikson M, Ström G, Wibell L.Frisk-Holmberg M, et al. Among authors: essen b.Acta Med Scand. 1983;213(1):21-6. doi: 10.1111/j.0954-6820.1983.tb03683.x.Acta Med Scand. 1983.PMID: 6829315