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(A) A table showing the relative concentrations of growth factors in AME and CME (picogram of growth factor/milligram of AME or CME). (B) Histograms showing the distribution of growth factor concentrations in the two membrane extracts from the 3 donors. Data are presented as the mean ± SD of 2 repeated experiments; *p< 0.05, Student’s t-test, indicates statistical significance.
