1. Agurell S, Levander S, Binder M, Bader-Bartfai A, Gustafsson B, Leander K, Lindgren J, Ohlsson A, Tobisson B (1976) Pharmacokinetics of ? 8-tetrahydrocannabinol(? 6-tetrahydrocannabinol) in man after smoking ? relations to physiological and psychological effects. In: Braude MC, Szara S (eds) The pharmacology of marihuana. Raven Press, New York
2. Alván G, Ericsson O, Levander S, Lindgren JE (1974) Plasma concentrations and effects of methaqualone after single and multiple oral doses in man. Eur J Clin Pharmacol 7:499?454
3. Babor TF, Mendelson JH, Greenberg I, Kuehule JC (1975) Marihuana consumption and tolerance to physiological and subjective effects. Arch Gen Psychiatry 32:1548?1552
4. Bernstein JG, Becker D, Babor TF, Mendelson JH (1974) Physiological assessments: cardiopulmonary function. In: Mendelson JH, Rossi AM, Meyer RE (eds) The use of marijuana. A psychological and physiological inquiry. Plenum Press, New York
5. Clark SC (1975) Marihuana and the cardiovascular system. Pharmacol Biochem Behav 3:299?306