title: A comparison of the Cyprane and Samson nasal mask scavengers during relative analgesia.
mesh_terms: D000328:Adult; D000395:Air Pollutants, Occupational / Q000032:analysis; D000766:Anesthesia, Dental / Q000295:instrumentation*; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004867:Equipment Design; D006801:Humans; D008397:Masks; D009609:Nitrous Oxide / Q000008:administration & dosage* / Q000032:analysis; D009666:Nose; D013396:Suction
chemical_list: D000395:Air Pollutants, Occupational; D009609:Nitrous Oxide