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.
Pembroke Welsh Corgi. Originally bred to herd cattle, sheep, and horses, the Pembroke Welsh Corgi is an active and intelligent dog breed. Easy to train and eager to learn, Pembrokes are great with children and other pets, and you can find them in four different coat colors and markings. All About Corgi Puppies!