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Leporatti, Maria Lucia; Ivancheva, Stephanie (August 2003). "Preliminary comparative analysis of medicinal plants used in the traditional medicine of Bulgaria and Italy". Journal of Ethnopharmacology. 87 (2–3): 123–142. doi:10.1016/S0378-8741(03)00047-3. PMID12860298.
Keeler, Martin H.; Kane, Francis J. (1 December 1967). "The Use of Hyoscyamine as a Hallucinogen and Intoxicant". American Journal of Psychiatry. 124 (6): 852–854. doi:10.1176/ajp.124.6.852. PMID6061275.
Flora Montiberica 55: 38-53 (3-X-2013). ISSN1138-5952, edic. digital: 1998- 799X Contribucion al Conocimiento de las Poblaciones Septentrionales de Atropa baetica Willk. (Solanaceae) en la Peninsula Iberica Olga Mayoral, Elena Carrio, Augustin Coronado, Tomas Marin, Antoni Buira & Jaime Guemes. PDF
Flora Montiberica 55: 38-53 (3-X-2013). ISSN1138-5952, edic. digital: 1998- 799X Contribucion al Conocimiento de las Poblaciones Septentrionales de Atropa baetica Willk. (Solanaceae) en la Peninsula Iberica Olga Mayoral, Elena Carrio, Augustin Coronado, Tomas Marin, Antoni Buira & Jaime Guemes. PDF