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Holberg-Petersen M, Rollag H, Beck S, Overli I, Tjønnfjord G, Abrahamsen TG, Degré M, Hestdal K.Holberg-Petersen M, et al. Among authors: hestdal k.Blood. 1996 Oct 1;88(7):2510-6.Blood. 1996.PMID: 8839843Free article.