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Wodnar-Filipowicz A, Lyman SD, Gratwohl A, Tichelli A, Speck B, Nissen C.Wodnar-Filipowicz A, et al. Among authors: speck b.Blood. 1996 Dec 15;88(12):4493-9.Blood. 1996.PMID: 8977241
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Zimmerli W, Zarth A, Gratwohl A, Speck B.Zimmerli W, et al. Among authors: speck b.Blood. 1991 Jan 15;77(2):393-9.Blood. 1991.PMID: 1845932Free article.
Tichelli A, Gratwohl A, Würsch A, Nissen C, Speck B.Tichelli A, et al. Among authors: speck b.Br J Haematol. 1988 Jul;69(3):413-8. doi: 10.1111/j.1365-2141.1988.tb02382.x.Br J Haematol. 1988.PMID: 3044440
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.