Laughing gas:  is it harmful and why do politicians want to ban it?/ 
David Nutt. 
 - Singapore:  JSIM Education,  May 2023. 
 - pp. 20-22. 
 - BBC Earth Magazine.  No. 4.  Global Perspective: Review.  Vol. 15. .
<br/><br/> The last few years have seen a huge increase in the recreational use of laughing gas in the UK. 
<br/><br/><label>ISSN: </label>2737-5560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrous Oxide.
<br/><br/><label>Dewey Class. No.: </label>BBC Earth N96 May 2023