Potenial hazards of nitrous oxide deaths common.
D000766:Anesthesia, Dental; D000818:Animals; D003770:Dental Offices; D003797:Dental Staff; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects*; D009784:Occupational Diseases; D051381:Rats
D009609:Nitrous Oxide