Relief of hypoxia with rectal oxygen.
D000818:Animals; D002404:Catheterization; D004285:Dogs; D000860:Hypoxia / Q000628:therapy*; D008722:Methods; D010100:Oxygen / Q000008:administration & dosage* / Q000097:blood; D011169:Portal Vein; D012007:Rectum; D014682:Vena Cava, Inferior
D010100:Oxygen