1. Rizzini CT, Bastos ML (1956) Datura insignis Barb. Rodr.: Seus alcalóides. An Acad Bras Ci 28: 473?483
2. Avery AG (1959) Historical review. In: Avery AG, Satina S, Rietsema J (Eds) Blaskeslee: The Genus Datura (pp 3?5) Ronald Press, New York
3. Leete E (1959) The alkaloids of Datura. In: Avery AG, Satina S, Rietsema J (Eds) Blakeslee: The Genus Datura (pp48?52) Ronald Press Company, New York
4. Oksman-Caldentey K-M, Vuorela H, Strauss A, Hiltunen R (1987) Variation in the tropane alkaloid content of Hyoscyamus muticus plants and cell culture clones. Planta Med 53: 349?354
5. Chan W, Staba EJ (1965) Alkaloid production by Datura callus and suspension tissue culture. Lloydia 28: 55?62