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.
Scheme of CEA extraction and purification (a), and SDS-PAGE analysis of CEA and molecular weight markers (b). Lanes of MW, a and b represent molecular weight markers, CEA standard and extracted CEA from colorectal carcinoma patients respectively
