Simultaneous quantitation of morphine, 6-acetylmorphine, codeine, 6-acetylcodeine and tramadol in hair using mixed-mode solid-phase extraction and gas chromatography-mass spectrometry
- Barroso, M.
- Dias, M.
- Vieira, D.N.
- López-Rivadulla, M.
- Queiroz, J.A.
ISSN: 1618-2642, 1618-2650
Year of publication: 2010
Volume: 396
Issue: 8
Pages: 3059-3069
Type: Article