title: Letter: Conclusion in article potentially detrimental.
mesh_terms: D000818:Animals; D002540:Cerebral Cortex / Q000187:drug effects*; D009609:Nitrous Oxide / Q000633:toxicity*; D010100:Oxygen / Q000633:toxicity*; D051381:Rats
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen