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. Papaverine-loaded echogenic liposomes (PELIP) and B. Standard ELIP in a vial imaged with a 20-MHz intravascular ultrasound imaging catheter. The bright objects within the vial represent liposomal clusters. The central artifact represents the imaging catheter.
