Fig. 5
Protein levels as absorbance at A450–A690 in an ELISA assay of (a) MMP-3 and (b) MMP-9 in MG-63 and SaOS-2 cells upon administration of 10 μg/ml glucosamine sulfate; * indicates statistical significance with p ≤ 0,05
Fig. 5 | BMC Complementary and Alternative Medicine