GA/T 1634-2019 Forensic science hair, blood phenylpropanoid A and other four phenylpropanoid A drug testing gas chromatography and gas chromatography-mass spectrometry (English Version)
2019GA/T 1634-2019 Forensic science hair, blood phenylpropanoid A and other four phenylpropanoid A drug testing gas chromatography and gas chromatography-mass spectrometry