is oxygen a controlled substance?
回答 (2)
2015-09-29 4:03 pm
It's in the air.
It's a necessity of life.
No: it is not a controlled substance - at least, as far as I know it is not in most nations.
https://en.wikipedia.org/wiki/Oxygen_bar#Regulations
It's a necessity of life.
No: it is not a controlled substance - at least, as far as I know it is not in most nations.
https://en.wikipedia.org/wiki/Oxygen_bar#Regulations
2015-09-29 3:53 pm
is medical oxygen a controlled substance
收錄日期: 2021-04-21 14:27:11
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