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.
Serial sections of the lesions shown in Figures 1 and 2 were stained for apoptosis using the TUNEL approach (red staining), and differential interference contrast (DIC) is shown for reference. Regions containing coverslip bubbles such as that seen in the erosion specimen were manually masked and excluded from final analysis.
