Research Article

Poly(lactic-co-glycolic) Acid/Nanohydroxyapatite Scaffold Containing Chitosan Microspheres with Adrenomedullin Delivery for Modulation Activity of Osteoblasts and Vascular Endothelial Cells

Figure 3

SEM images of PLGA/nHA scaffolds prepared without (a) and with (b) chitosan microspheres. The arrows show the chitosan microspheres in the scaffold.
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(a)
530712.fig.003b
(b)