Determination of heroin, 6-acetylmorphine, and morphine in biological fluids using their propionyl derivatives with ion trap GC-MS
1996
Quality in environmental toxicology measurements
1992
Blood and urinary cadmium levels in Inuit living in Kuujjuaq, Canada
1989
A system for toxicological screening by capillary gas chromatography with use of a drug retention index based on nitrogen-containing reference compounds.
1988
An interlaboratory comparison programme for several toxic substances in blood and urine.