The Influence of the Preservation Method and Gamma Irradiation Sterilization on TGF-β and bFGF Levels in Freeze-Dried Amnion Membrane (FD-AM) and Amnion Sponge

Table 3

Comparison of TGF-β levels in the freeze-dried amnion membrane (FD-AM) before and after radiation sterilization.

	Postirradiated 15 kGy	Postirradiated 25 kGy
Preirradiated	0.012^ab	0.012^ab

^a value<0.05. ^bPaired-sample t-test.