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.
Serum cfDNA concentration in NSCLC patients and normal controls. (A) Serum cfDNA concentration in 60 NSCLC patients and 27 normal controls as determined by LINE1 qPCR. (B) Comparison of serum cfDNA concentrations between NSCLC patients at different tumour stages and normal controls. *P<0.05 and ***P<0.001 indicate statistical significance. cfDNA, cell-free DNA; NSCLC, non-small cell lung cancer; LINE1, long interspersed nuclear element-1.
