The needle tracheostomy: re-evaluation.
D000818:Animals; D002245:Carbon Dioxide / Q000097:blood; D004285:Dogs; D006801:Humans; D008722:Methods; D010100:Oxygen / Q000097:blood; D012140:Respiratory Tract Diseases / Q000601:surgery*; D014140:Tracheotomy
D002245:Carbon Dioxide; D010100:Oxygen