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.
Additional file 1: Video. Sonograms showing the ductus venosus draining into the coronary sinus. A small vessel is visualized draining into the coronary sinus near the insertion point of inferior vena cava to the rightatrium.
