Irradiated blood products are used to prevent graft-vs-host disease in patients at risk. Many attempts have been made to develop blood substitutes using inert chemicals (eg, perfluorocarbons) or Hb solutions to carry and deliver oxygen to tissues.
Temperament. The Pembroke Welsh Corgi is highly intelligent, loyal, able and willing to please its owner. Corgis are extremely active and are good with children so long as the dog sees humans as above him in the pack order. Protective and sturdy, they make fine guards, and excellent show and obedience dogs.
The Pembroke Welsh Corgi is the most popular breed between the two. This is partly because it was the favorite dog of King George VI and Queen Elizabeth II. The particular pet breed was not only popular in Britain but also in other parts of the world.