Successful treatment by selective arterial embolization of severe retroperitoneal hemorrhage secondary to bone marrow biopsy in post-polycythemic myelofibrosis. - Arellano-Rodrigo, E.; Real, M. I.; Muntañola, A.; Burrel, M.; Rozman, M.; Fraire, G. V.; Cervantes, F.; Muntañola, A (Annals of Hematology, 2004)