1. Adams RD, Victor M, Ropper AH: Uremic encephalopathy. Principles of Neurology. 6th ed. Companion Handbook. Mcgraw-Hill (1997) 1121–1123.
2. Als-Nielsen B, Koretz R, Kjaergard L et al.: Branched-chain amino acids for hepatic encephalopathy. Cochrane Database of Systematic Reviews 2 (2003) CD001939.
3. Bolton C F, Young G B: Neurological complications of renal disease. Butterworths, Boston (1990).
4. Brancaccio D, Bugiani O, Pacini L et al.: Blood brain barrier derangement in aluminium intoxicated dialysis patients. Aluminium and Other Trace Elements in Renal Disease. Baillere Tindall, London (1986).
5. Bresci G, Parisi G, Banti S: Management of hepatic encephalopathy with oral zinc supplementation: a long-term treatment. Eur J Med 1993 (2) 414–416.