Potential toxicity to the doctor.
D000766:Anesthesia, Dental / Q000379:methods; D000769:Anesthesia, Inhalation / Q000379:methods; D005739:Gas Poisoning / Q000517:prevention & control; D006801:Humans; D009609:Nitrous Oxide / Q000506:poisoning*; D009784:Occupational Diseases / Q000517:prevention & control*
D009609:Nitrous Oxide