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Photomicrographs of sections of bone marrow, (a, b): Control group (1 × 1,200 magnification), (c, d): Therapeutically equivalent dose group (1 × 1,200 magnification), (e, f): Therapeutically equivalent dose × 5 group (1 × 1,200 magnification), (g, h): Therapeutically equivalent dose × 10 group (1 × 1,200 magnification)
