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.
A schematic representation of the breast cancer patient's situation against chemotherapy corresponding to the acquisition of drug resistance derived from the CDRA concentration gradient chip. Art figure was made by recombining the images of the Creative Commons (creativecommons.org) released for free.
