title: Letter: Does nitrous oxide harm the dentist.
mesh_terms: D000766:Anesthesia, Dental; D000818:Animals; D001853:Bone Marrow / Q000473:pathology; D001854:Bone Marrow Cells; D003815:Dentists; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects*; D009784:Occupational Diseases / Q000139:chemically induced*; D051381:Rats
chemical_list: D009609:Nitrous Oxide