An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
[Clinical usefulness of the study of serum carcinoembryonic antigen (CEA) for the determination of the degree of tumor progression, prognosis and monitoring of surgical treatment of neoplasms of the large intestine]
[Clinical usefulness of the study of serum carcinoembryonic antigen (CEA) for the determination of the degree of tumor progression, prognosis and monitoring of surgical treatment of neoplasms of the large intestine]