Research Article

Osteogenic Effect and Cell Signaling Activation of Extremely Low-Frequency Pulsed Electromagnetic Fields in Adipose-Derived Mesenchymal Stromal Cells

Figure 4

Representative images of culture stained with von Kossa on days 3, 7, and 14 immediately after exposure with ELF-PEMF. Control: cells without ELF-PEMF exposure. Scale bar = 500 μm.