Synergists supplementing nitrous oxide oxygen.
D000758:Anesthesia; D000776:Anesthesiology; D003813:Dentistry; D019587:Dietary Supplements; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen
D009609:Nitrous Oxide; D010100:Oxygen
ANESTHESIA; DENTISTRY; NITROUS OXIDE