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.
Evolution of the area per lipid. Charged lidocaine, lines with solid symbols; uncharged, lines with open symbols; 12 lidocaines, solid lines with circles; 36 lidocaines, dashed lines with squares; reference system, black line without symbols.
