Canadian case implicates vaping compounds in lung injury User CannabisResearcher, in the CanadiEnts: 44,000+ Excitedly Passing Dootchies subreddit, 21 Nov 2019
Case implicates vaping compounds in lung injury User Regenerative_Med_Bot, in the Regenerative medicine and other medical breakthroughs subreddit, 21 Nov 2019