Comparative study of liquid-liquid extraction and solid-phase extraction methods for the separation of sufentanil from plasma before gas chromatographic-mass spectrometric analysis

MeSH terms

• Analgesics, Opioid / blood
• Analgesics, Opioid / isolation & purification*
• Anesthetics, Intravenous / blood
• Anesthetics, Intravenous / isolation & purification*
• Critical Care
• Gas Chromatography-Mass Spectrometry
• Humans
• Sufentanil / blood
• Sufentanil / isolation & purification*