1. Chanarin I. The Megaloblastic Anaemias. Oxford, UK: Blackwell Publishing, 1979.
2. Shorvon SD, Carney MWP, Chanarin I et al. Theneuropsychiatry of megaloblastic anaemia. Br Med J 281:1036–1038, 1980.
3. Agamanolis DP, Green R, Harris JW. The neuropathy of cobalamin deficiency. In: Dreosti IE, Smith RM (eds) Neurobiology of Trace Elements. Clifton, NJ: Humana Press, 1983.
4. Reynolds EH, Stramentinoli G. Folic acid, S-adenosylmethionine and affective disorder. Psychol Med 13:705–710, 1983.
5. Scott JM, Dinn JJ, Wilson P et al. Pathogenesis of subacute combined degeneration: A result of methyl group deficiency. Lancet 2:334–337, 1987.