A deadly trend in fentanyl fatalities (England, 1998-2017). Claridge H, Williams BD, Copeland CS. Br J Clin Pharmacol. 2019 Oct 29. doi: 10.1111/bcp.14135.  Abstract https://www.ncbi.nlm.nih.gov/pubmed/31663152

The fentanyl epidemic in Estonia: opportunities for a comprehensive public health response Uuskula, Anneli et al. The Lancet Psychiatry, Volume 6, Issue 12, 985  https://www.thelancet.com/journals/lanpsy/article/PIIS2215-0366(19)30436-5/fu...

USA. An opioid more deadly than fentanyl found on Seattle streets (Carfentanil) SEATTLE (KOMO) -- Right in the midst of the opioid crisis, another illicit drug has hit the streets of Seattle. Experts say it's more potent and deadly than other opi...

G protein-biased kratom-alkaloids and synthetic carfentanil-amide opioids as potential treatments for alcohol use disorder. Gutridge AM, Robins MT, Cassell RJ, Uprety R, Mores KL, Ko MJ, Pasternak GW, Majumdar S, van Rijn RM. Br J Pharmacol. 201...

Fentanyl depression of respiration: comparison with heroin and morphine. Hill R, Santhakumar R, Dewey W, Kelly E, Henderson G. Br J Pharmacol. 2019 Sep 9. doi: 10.1111/bph.14860.  Abstract https://www.ncbi.nlm.nih.gov/pubmed/31499594

Identification of a novel fentanyl analogue: p-hydroxy-butyrylfentanyl. Oldenhof S, Ten Pierick A, Bruinsma J, Eustace S, Hulshof J, van den Berg J, Hoitink M. Drug Test Anal. 2019 Sep 13. doi: 10.1002/dta.2695.  Abstract https://www.ncbi...