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.
Staining and identification of the parathyroid glands using nanocarbon. (A) Parathyroid glands were stained with nanocarbon for 5 minutes; (B) parathyroid glands were identified by negative visualization of black staining; (C) lymph nodes were identified by positive visualization of black staining.
