title: ADA House of Delegates Reference Committee cites concerns.
mesh_terms: D000571:American Dental Association; D003770:Dental Offices; D006801:Humans; D007879:Legislation, Dental; D009609:Nitrous Oxide; D009784:Occupational Diseases / Q000139:chemically induced; D012449:Safety; D014481:United States
chemical_list: D009609:Nitrous Oxide