1. Adsersen A, Gauguin B, Gudiksen L, Jager AK. Screening of plants used in Danish folk medicine to treat memory dysfunction for acetylcholinesterase inhibitory activity. J Ethnopharmacol 2006;104:418–422.
2. Anekonda TS, Reddy H. Can herbs provide a new generation of drugs for treating Alzheimer’s disease? Brain Research Reviews 50 (2005) 361 – 376.
3. Jamison DT, Breman JG, Measham AR, Alleyne G, Claeson M, Evans DB, et al. Disease Control Priorities in Developing Countries. Second edition. The International Bank for Reconstruction and Development/ The World Bank, Oxford University Press. New York 2006.