title: [Nitrous oxide: objective and subjective symptomatology].
mesh_terms: D005239:Fear / Q000187:drug effects; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage*
chemical_list: D009609:Nitrous Oxide
vernacular_title: Protossido d'azoto: sintomatologia obiettiva e soggettiva.