Canna~Fangled Abstracts Cannabis Contaminants – sources, distribution, human toxicity and pharmacologic effects. Br J Clin Pharmacol. 2018 Jun 28. doi: 10.1111/bcp.13695. Dryburgh LM1,2, Bolan NS3,4, Grof CPL3,5,…Freedom WaresJune 28, 2018