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A, LIPUS (low‐intensity pulsed ultrasound) stimulation process. B, Morphology and characterization of bone marrow mesenchymal stem cells (BMSCs). BMSCs are spindle‐shaped with fibroblast‐like process. Light microscopy, scale bar = 100 μm. C, BMSC identity is confirmed based on morphological criteria, plastic adherence, and specific surface antigen expression: CD29(+), CD90(+), CD34(−), CD45(−)
