Figure 4.
Average stress–stretch curves and mechanical properties of the PU-DMPA and the PU-BDO. * denotes p < 0.05, while ** denotes p < 0.001.
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.