1. Efron DH (1967) Ethnopharmacologic search for psychoactive drugs. In: Proceedings of a symposium held in San Francisco, CA, 28–30 Jan 1967. Public Health Service Publication Number 1645. U.S. Department of Health, Education and Welfare, Washington, DC
2. Larson PS, Haagard HB, Silvette H (1961) Tobacco. Experimental and clinical studies: a comprehensive account of the world literature. Williams & Wilkins, Baltimore
3. Brecher EM (1972) Licit and illicit drugs. Little, Brown, Boston
4. Leete E, Mueller ME (1982) Biomimetic synthesis of anatabine from 2,5-dihydropyridine produced by the oxidative decarboxylation of baikiain. J Am Chem Soc 104:6440–6444
5. Leete E, Slattery SA (1976) Incorporation of [2-14C]-and [6-14C]nicotinic acid into the tobacco alkaloids. Biosynthesis of anatabine and α,β-dipyridyl. J Am Chem Soc 98:6326–6330