Death in the dental chair.
D000531:Altitude; D000766:Anesthesia, Dental / Q000009:adverse effects*; D003645:Death, Sudden; D006454:Hemoglobins; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects; D010100:Oxygen
D006454:Hemoglobins; D009609:Nitrous Oxide; D010100:Oxygen