ABRAMS, D I; VIZOSO, H P; SHADE, S B, et al. Vaporization as a smokeless cannabis delivery system: a pilot study. Clinical Pharmacology and Therapeutics, november 2007, roč. 82, čís. 5, s. 572–578. DOI: 10.1038/sj.clpt.6100200. PMID 17429350. (po anglicky)
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ABRAMS, D I; VIZOSO, H P; SHADE, S B, et al. Vaporization as a smokeless cannabis delivery system: a pilot study. Clinical Pharmacology and Therapeutics, november 2007, roč. 82, čís. 5, s. 572–578. DOI: 10.1038/sj.clpt.6100200. PMID 17429350. (po anglicky)