Determination of subnanogram concentrations of fentanyl in plasma by gas chromatography-mass spectrometry : comparison with standard radioimmunoassay

Department Of Anaesthesia And Pain Management University Of Sydney At Royal North Shore Hospital

Department Of Anaesthesia And Pain Management University Of Sydney Royal North Shore Hospital

Department Of Chemistry University Of Technology Sydney

Department of Anaesthesia and Pain Management, University of Sydney, Royal North Shore Hospital

Department of Anaesthesia and Pain Management, University of Sydney, Royal North Shore Hospital

Norvet Laboratories Pty Limited

Department Of Anaesthesia And Pain Management University Of Sydney Royal North Shore Hospital

Department Of Anaesthesia And Pain Management University Of Sydney Royal North Shore Hospital