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Ratip S, Petrou M, Old JM, Wonke B, Porter JB, Modell B.Ratip S, et al. Among authors: modell b.Eur J Haematol. 1997 Jan;58(1):14-21. doi: 10.1111/j.1600-0609.1997.tb01404.x.Eur J Haematol. 1997.PMID: 9020368
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