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.
Correlation between root interception density (RID) of ]1, 5] mm and ]0, 1] mm. Round symbols represent the Prémol site and square symbols the Bachat-Bouloud site. Solid, dashed and dotted lines denote the linear regressions for both sites (to which the equation refers), Prémol and Bachat-Bouloud, respectively.
