An official website of the United States government
Here's how you know
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.
Figure 2. Scatter plot of quantitative fluorogenic real-time PCR analysis of the NISCH gene promoter in the plasma DNA of the control group. Hypermethylation was detected in controls who smoked 20+ pack/year. *LNS, life time non-smokers; **py, pack/year.