Simultaneous quantitation of morphine, 6-acetylmorphine, codeine, 6-acetylcodeine and tramadol in hair using mixed-mode solid-phase extraction and gas chromatography-mass spectrometry.
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| Description | scientific article published on 2 March 2010 |
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author: Mário Barroso Duarte Nuno Vieira João António Queiroz Mário Dias |
| Publication date | March 2, 2010 |
| Language | English |
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