Synergistic Effects of Controlled-Released BMP-2 and VEGF from nHAC/PLGAs Scaffold on Osteogenesis

Table 1

	MC3T3-E1 cells	scaffold	BMP-2	VEGF
A	+	_	_	_
B	+	+	+	_
C	+	+	_	+
D	+	+	+	+