Sweetman, S. C. (Ed.). (2009). Martindale: The Complete Drug Reference (36th ed.). Pharmaceutical Press. (Standard reference for drug properties, uses, and adverse effects).
Fox, S. H., Katzenschlager, R., Lim, S. Y., Barton, B., de Bie, R. M. A., Seppi, K., ... & International Parkinson and Movement Disorder Society Evidence-Based Medicine Committee. (2018). International Parkinson and movement disorder society evidence-based medicine review: Update on treatments for the motor symptoms of Parkinson's disease. Movement Disorders, 33(8), 1248-1266. (Authoritative guidelines placing anticholinergics like bornaprine as alternatives with specific limitations, especially in the elderly).
Brocks, D. R. (1999). Anticholinergic drugs used in Parkinson's disease: An overlooked class of drugs from a pharmacokinetic perspective. Journal of Pharmacy and Pharmaceutical Sciences, 2(2), 39-46. (Discusses pharmacokinetics and class-specific issues of anticholinergics in PD).
Katzenschlager, R., Sampaio, C., Costa, J., & Lees, A. (2003). Anticholinergics for symptomatic management of Parkinson's disease. Cochrane Database of Systematic Reviews, (2). (Systematic review highlighting the limited evidence base and significant adverse effects profile of anticholinergics).
Cancelli, I., Beltrame, M., Gigli, G. L., & Valente, M. (2009). Drugs with anticholinergic properties: Cognitive and neuropsychiatric side-effects in elderly patients. Neurological Sciences, 30(2), 87-92. (Emphasizes the significant CNS risks, particularly delirium and cognitive impairment, in the elderly).
National Institute for Health and Care Excellence (NICE). (2017). Parkinson's disease in adults: diagnosis and management [NG71]. (Clinical guideline recommending caution and limited role for anticholinergics).
German Institute for Drug Use Evaluation (DAPI). (Various). Fachinformation (SmPC) for Sormodren® (Bornaprine). (Official prescribing information detailing contraindications, precautions, and adverse reactions).
Fernandez, H. H., & Rodriguez, R. L. (2010). Anticholinergics in the treatment of Parkinson's disease. In Movement Disorders Emergencies (pp. 195-204). Humana Press. (Discusses specific role and risks in PD management).