1. Giménez R, Raïch J, Aguilar J (1991) Changes in brain striatum dopamine and acetylcholine receptors induced by chronic CDP-choline treatment of aging mice. Brit J Pharmacol 104:575–578
2. Secades JJ, Lorenzo JL (2006) Citicoline: pharmacological and clinical review. Exp Clin Pharmacol 28B:1–56
3. Secades JJ, Frontera G (1995) CDP-choline: pharmacological and clinical review. Exp Clin Pharmacol 17B:1–54
4. Fioravanti M, Yanagi M (2005) Cytidine diphosphocholine (CDP-choline) for cognitive and behavioural disturbances associated with chronic cerebral disorders in the elderly. Cochrane Database Syst Rev 18CD000269
5. Hurtado O, Lizasoain I, Moro MA (2011) Neuroprotection and recovery: recent data at the bench on citicoline