1. Abrams RM, Davis KH, Jaeger MJ, Szeto HH (1985) Marijuana smoke production and delivery system. In: Harvey DJ, Paton WDM, Nahas GG (eds) Marihuana ‘84: proceedings of the Oxford Symposium on Cannabis. IRL Press, Oxford, England, p 205.
2. Adams R, Cain CK, McPhee WD, Wearn RB (1941) Structure of cannabidiol. XII. Isomerization to tetrahydrocannabinols. J Am Chem Soc 63: 2209–2213.
3. Archer RA, Boyd DB, Demarco PV, Tyminski IJ, Allinger NL (1970) Structural studies of cannabinoids. A theoretical and proton magnetic resonance analysis. J Am Chem Soc 92: 5200–5206.
4. Bercht CAL, Samrah HM, Lousberg RJJCh, Theuns H, Salemink CA (1976) Isolation of vomifoliol and dihydrovomifoliol from Cannabis. Phytochemistry 15: 831–832.
5. Busch FW, Seid DA, Wei ET (1979) Mutagenic activity of marijuana smoke condensates. Cancer Lett 6: 319–324.