title: Nitrous oxide - hazard in the dental operatory?
mesh_terms: D000766:Anesthesia, Dental / Q000009:adverse effects*; D003727:Dental Auxiliaries; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects*; D009784:Occupational Diseases / Q000209:etiology*
chemical_list: D009609:Nitrous Oxide