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. 2015 Jun 7;2015:792161. doi: 10.1155/2015/792161

Figure 2.

Figure 2

Immunofluorescence staining of Collagen type II protein. (a) Collagen type II protein was strongly detected in the presence of TGF-β1 induction (×200); (b) Collagen type II protein was not detectable in the negative control group (×200).