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.
Immunohistochemical analysis of hENT1, dCK, and RRM1 expressions in biliary tract cancer. Representative immunohistochemical results. Human equilibrative nucleoside transporter 1 (hENT1): (A) high staining and (B) low staining. Deoxycytidine kinase (dCK): (C) high staining and (D) low staining. Ribonucleotide reductase subunit M1 (RRM1): (E) high staining and (F) low staining. Magnification × 200, scale bar = 100 μm.
