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Histological structure of bone marrow, examined by hematoxylineosin staining in: (A) Control and aplastic anemia model mice at (B) 0 days, (C) 3 days, (D) 6 days, (E) 9 days, (F) 12 days, (G) 15 days and (H) 18 days after infusion of lymph node cells. Morphological and cytological changes were observed in mice with induced bone marrow failure.
