[1] van Bekkum DW. Autologous stem cell transplantation for treatment of autoimmune diseases. Stem Cells, 1999,17:172-178. [2] Feng CS, Ng MH, Szeto RS, et al. Bone marrow findings in lupus patients with pancytopenia. Pathology, 1991,23:5-7. [3] Pereira RM, Velloso ER, Menezes Y, et al. Bone marrow findings in systemic lupus erythematosus patients with peripheral cytopenias. Clin Rheumatol, 1998,17:219-222.