%0 Journal Article %T Instrumental methods in the forensic investigation of narcotic drugs %A Vinogradova, N.I. %A Grebneva, A.S. %K narcotic drugs, liquid and gas chromatography, mass spectrometry, IR spectrometry, UV spectrometry for the determination of narcotic drugs, instrumental methods of technical and forensic investigation of narcotic drugs %J Forensic examination and research %D 2025 %N 0 %P 3 %I Moscow University of the Ministry of Internal Affairs of Russia named after V.Ya. Kikot