The United Nations Office on Drugs and Crime have published 'Recommended methods for the Identification and Analysis of Fentanyl and its Analogues in Biological Specimens'

This publication gives details relating to methods of detection, metabolism and interpretation of results relating to fentanyl and a number of Fentanyl analogues.

To download this publication, go to:  https://www.unodc.org/documents/scientific/Recommended_methods_for_the_identification_and_analysis_of_Fentanyl.pdf 

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