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.
Knee and plasma concentration (µg-eq/g) of tritium labeled-hyaluronic acid (3H-HA)-related radioactivity over time after single intra-articular administration of 1 mg/animal (equivalent to 0.491 MBq/animal) of HA to male Sprague-Dawley rats (arthritis model) (semi-logarithmic scale). Error bars represent SE. PK = pharmacokinetic.
