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.
EVP protocol. Baseline measurements were made in the supine position for ≈10 min. The EVP pipette was then withdrawn from the episcleral vein to prevent breaking the tip while the animal was tilted, then the pipette re-inserted in the vein and measurements continued for ≈10 min in the head-down tilt position.
