Figure 1.
B-mode ultrasound image. B-mode ultrasound image showing the portal vein (PV), of one dog. Diameter measurement between callipers (0.54 cm). Transverse section at the right 11th intercostals space.
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.