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.
and 
according to the springpot model.
As α is sensitive to the microstructure geometry of biological tissue it is named ‘geometry’ parameter. Similar to µ (Figure 3), all regional differences are statistically significant (p<0.001).
