The contrast uses a colorant/dye introduced with an IV during your MRI. No contrast is just a MRI without an IV. The dye is used to be able to see more detail.he contrast uses a colorant/dye introduced with an IV during your MRI. No contrast is just a MRI without an IV. The dye is used to be able to see more detail.
George Dewey. George Dewey (December 26, 1837 â January 16, 1917) was Admiral of the Navy, the only person in United States history to have attained the rank. He is best known for his victory at the Battle of Manila Bay during the SpanishâAmerican War.
Melvil Dewey, the father of modern librarianship, was one strange guy. But his classification system is still used in most of the world By Sarah Prescott -- School Library Journal, 08/01/2001 It's tough teaching the Dewey Decimal System. I mean, let's face it, basically it's rather dull stuff.