Novelists and playwrights might call it a cruel irony —  heroes who succumb to the powers of evil, true love tragically ...
Contrast Media
Contrast media, also called contrast agents, are used to enhance the blood and perfusion in tissues.This includes iodine based contrast for on computed tomography (CT), gadolinium based agents for MRI and lipid bubble contrast agents used in ultrasound.
May 22, 2006