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.
Effect of PDGF on DNA synthesis (five separate cell preparations). DNA synthesis was estimated by measuring the incorporation of 3H-thymidine into TCA precipitable material. Results are expressed as a percentage of control values observed in cells not incubated with PDGF. **p<0.01, ***p<0.001.
