[Blood gas changes after tracheotomy in chronic tracheal stenosis].
D002245:Carbon Dioxide / Q000097:blood*; D006801:Humans; D010100:Oxygen / Q000097:blood*; D014132:Trachea / Q000601:surgery*; D014135:Tracheal Stenosis; D014140:Tracheotomy
D002245:Carbon Dioxide; D010100:Oxygen
CARBON DIOXIDE/blood; OXYGEN/blood; TRACHEA/surgery