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. 2010 Aug 23;11:188. doi: 10.1186/1471-2474-11-188

Figure 1.

Figure 1

Effect of PEMF stimulation on DNA amounts in two different cell types. A) human bone marrow derived stromal cells, obtained from 4 different donors (n = 3 per donor), B) human fetal pre-osteoblasts (n = 3). Cells were cultured in osteogenic medium to full mineralization. Significant differences due to PEMF are marked * (p < 0.05, Wilcoxon signed rank test).