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. 2013 Mar 25;18(4):e557–e563. doi: 10.4317/medoral.18768

Figure 4.

Figure 4

SEM image of Type I collagen and proteoglycans with immunocytochemical staining (×100,000). Type I collagen (30 nm particles, labeled by stealth arrow) and chondroitin 4/6 sulfate (15 nm, labeled by open arrow) with colloidal gold seen as bright spots.

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