For citations:

Zaikina O.L., Shilov V.V., Lodyagin A.N., Grigor’ev A.M. SPECIFICITIES OF DETECTION OF FENTANYL DERIVATES IN URINE USING METHODS OF LIQUID AND GAS CHROMATOGRAPHY-MASS SPECTROMETRY. Toxicological Review. 2016;(3):41-46. (In Russ.) https://doi.org/10.36946/0869-7922-2016-3-41-46