Determination of free (unconjugated) amphetamine-type stimulants in urine samples by dispersive liquid–liquid microextraction and gas chromatography coupled to mass spectrometry (DLLME-GC-MS)
| Autor: | Cunha, Ricardo Leal, Lopes, Wilson Araujo, Pereira, Pedro Afonso P. |
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| Zdroj: | In Microchemical Journal March 2016 125:230-235 |
| Databáze: | ScienceDirect |
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