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Jacobson ER, Kollias GV, Heard DJ, Caligiuri R (1988). "Immobilization of African Elephants with Carfentanil and Antagonism with Nalmefene and Diprenorphine". The Journal of Zoo Animal Medicine. 19 (1/2): 1–7. doi:10.2307/20094842. JSTOR20094842.
Uddayasankar U, Lee C, Oleschuk C, Eschun G, Ariano RE (June 2018). "The Pharmacokinetics and Pharmacodynamics of Carfentanil After Recreational Exposure: A Case Report". Pharmacotherapy. 38 (6): e41 –e45. doi:10.1002/phar.2117. PMID29679387. S2CID5029164.
Concheiro M, Chesser R, Pardi J, Cooper G (2018). "Postmortem Toxicology of New Synthetic Opioids". Frontiers in Pharmacology. 9: 1210. doi:10.3389/fphar.2018.01210. PMC6212520. PMID30416445. 26 October 2018. From the conclusion: "Postmortem concentrations seemed to correlate with their potency, although the presence of other CNS depressants, such as ethanol and benzodiazepines has to be taken into account."
Mounteney J, Giraudon I, Denissov G, Griffiths P (July 2015). "Fentanyls: Are we missing the signs? Highly potent and on the rise in Europe". The International Journal on Drug Policy. 26 (7): 626–631. doi:10.1016/j.drugpo.2015.04.003. PMID25976511.
Concheiro M, Chesser R, Pardi J, Cooper G (2018). "Postmortem Toxicology of New Synthetic Opioids". Frontiers in Pharmacology. 9: 1210. doi:10.3389/fphar.2018.01210. PMC6212520. PMID30416445. 26 October 2018. From the conclusion: "Postmortem concentrations seemed to correlate with their potency, although the presence of other CNS depressants, such as ethanol and benzodiazepines has to be taken into account."
Uddayasankar U, Lee C, Oleschuk C, Eschun G, Ariano RE (June 2018). "The Pharmacokinetics and Pharmacodynamics of Carfentanil After Recreational Exposure: A Case Report". Pharmacotherapy. 38 (6): e41 –e45. doi:10.1002/phar.2117. PMID29679387. S2CID5029164.
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