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A. Scanning electron micrograph of nanofiber expanded CD34+ hematopoietic stem cells. B. Scanning electron micrograph of neural cells differentiated from nanofiber expanded CD34+ hematopoietic stem cells. C. Serial images of brain taken with magnetic resonance imaging machine after middle cerebral artery occlusion-mediated stroke generated in non-obese diabetic/severe combined immunodeficient mice.
