Figure 2a.
Dummy head covered with styrofoam and implanted with cut human hair (Photo courtesy:Dr Aman Dua & Dr Kapil Dua)
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.