| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | nitrous oxide | medical | Used as a sedative and analgesic in medical and dental procedures. | 1 |
| 2 | nitrous oxide | medical | Used as a sedative and analgesic during medical and dental procedures | 1 |
| 3 | nitrous oxide | medical community | Used as an anesthetic in medical procedures | 1 |