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Nissen C, de Planque MM, Würsch A, Moser Y, dalle Carbonare V, Speck B.Nissen C, et al. Among authors: speck b.Br J Haematol. 1988 Jul;69(3):405-11. doi: 10.1111/j.1365-2141.1988.tb02381.x.Br J Haematol. 1988.PMID: 3408674
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Tichelli A, Gratwohl A, Nissen C, Würsch A, Signer E, Speck B.Tichelli A, et al. Among authors: speck b.Schweiz Med Wochenschr. 1988 Oct 22;118(42):1528-32.Schweiz Med Wochenschr. 1988.PMID: 3059487German.