Observation of reduced concentration of Delta super(9)-THC-carboxylic acid in urine specimen containers using internal barcode labels
This letter of reply discusses the effect container exposure time has on the concentration of Delta super(9)-tetrahydrocannabinol-9-carboxylic acid in urine samples.
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Veröffentlicht in: | Journal of analytical toxicology 1990-01, Vol.14 (6), p.390-390 |
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Format: | Artikel |
Sprache: | eng |
Online-Zugang: | Volltext |
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Zusammenfassung: | This letter of reply discusses the effect container exposure time has on the concentration of Delta super(9)-tetrahydrocannabinol-9-carboxylic acid in urine samples. |
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ISSN: | 0146-4760 |