Selective sample preparation for determination of 11-nor-9-carboxy-.DELTA.9-tetrahydrocannabinol from human urine by gas chromatography with electron capture detection
- 15 April 1989
- journal article
- Published by American Chemical Society (ACS) in Analytical Chemistry
- Vol. 61 (8) , 925-928
- https://doi.org/10.1021/ac00183a030