Figure 3:
Electron micrograph of 3T3 on hydrogels: (a,b) PVA 9% - HA 1%, PVA 9% - HA 2% respectively; (c,d) PVA 9% - CS 1%, PVA 9% - CS 2%, respectively, at 24 h (magnification 1.7 × 10
3
).
