1. Breath analysis of cannabis smokers;McCarthy;J. Pharm. Pharmacol.,1972
2. Detection of Δ9-tetrahydrocannabinol in human breath following marijuana smoking;Valentine;Anal. Letters,1979
3. Versuche zum Nachweis von Cannabis-Inhaltstoff in der Ausatemluft;Hauck;Beitrage Gericht. Medizin,1974
4. Time-course effects of moderate levels of cannabis on human psychomotor performance;Attwood,1981
5. Mass fragmentographic assays for the cannabinoids and their metabolites;Rosenfeld,1976