Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cumulative release of platelet-derived growth factor-AB (PDGF-AB) over the 7 days of culture. Value markers are the mean with error bars representing the standard deviation for each group. N=5 for all groups and time points with the exception of the day 7 control group where the scaffolds had disintegrated, precluding an accurate measure of PDGF-AB at that time point for that group at that time point.
