| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | lead nitrate | western countries | Lead nitrate is considered highly toxic and heavily regulated in western countries due to its harmful effects on health and the environment. | 7 |
| 2 | lead nitrate | China | lead nitrate may be utilized in traditional medicine in China, but its usage is declining due to increased awareness of its toxicity. | 1 |