GA/T 1638-2019 Gas chromatography-mass spectrometry for detection of diazepam and other four benzodiazepines and their metabolites in urine in forensic science (English Version)
2019GA/T 1638-2019 Gas chromatography-mass spectrometry for detection of diazepam and other four benzodiazepines and their metabolites in urine in forensic science