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.
Skeletal preparations of WT and KO ribs. In ribs of chimeric embryos rescued with ES or iPS cell injection, mineralization is detected in proximal ends of thoracic ribs.
