aBehavioral Pharmacology and Genetics Section, Intramural Research Program, NIDA/NIH, Baltimore, MD 21224, USA
bDepartment of Anesthesiology and Critical Care Medicine, The Johns Hopkins University, Baltimore, MD 21287-8711, USA
cKlinik für Anaesthesiologie und Operative Intensivmedizin, Klinikum Benjamin Franklin, Freie Universität Berlin, Hindenburgdamm 30, D12200 Berlin, Germany
dSchool of Pharmacy, The University of Queensland, St Lucia, Queensland, Australia 4072
*Corresponding author. Tel.: +61-7-3365-1376; fax: +61-7-3365-1688
E-mail: [email protected]
Submitted April 21, 2000; revised February 26, 2001; accepted March 29, 2001.
