Almeida, O. P. (2014). Prevention of depression in older age. Maturitas, 79, 136–141.
Almeida, O. P., Marsh, K., Alfonso, H., Flicker, L., Davis, T. M. and Hankey, G. J. (2010). B-vitamins reduce the long-term risk of depression after stroke: The VITATOPS-DEP trial. Annals of Neurology, 68, 503–510.
Almeida, O. P., McCaul, K., Hankey, G. J., Norman, P., Jamrozik, K. and Flicker, L. (2008). Homocysteine and depression in later life. Archives of General Psychiatry, 65, 1286–1294.
Almeida, O. P.
et al. (2014). B-vitamins to enhance treatment response to antidepressants in mid and late life: results from the B-VITAGE randomised, double-blind, placebo-controlled trial. British Journal of Psychiatry, 205, 450–457.
Bottiglieri, T. (2005). Homocysteine and folate metabolism in depression. Progress in Neuropsychopharmacology and Biological Psychiatry, 29, 1103–1112.
Carney, M. W. (1967). Serum folate values in 423 psychiatric patients. British Medical Journal, 4, 512–516.
Coppen, A. and Bailey, J. (2000). Enhancement of the antidepressant action of fluoxetine by folic acid: a randomised, placebo controlled trial. Journal of Affective Disorders, 60, 121–130.
Coppen, A., Chaudhry, S. and Swade, C. (1986). Folic acid enhances lithium prophylaxis. Journal of Affective Disorders, 10, 9–13.
Ford, A. H., Flicker, L., Thomas, J., Norman, P., Jamrozik, K. and Almeida, O. P. (2008). Vitamins B12, B6, and folic acid for onset of depressive symptoms in older men: results from a 2-year placebo-controlled randomized trial. Journal of Clinical Psychiatry, 69, 1203–1209.
Gilbody, S., Lightfoot, T. and Sheldon, T. (2007). Is low folate a risk factor for depression? A meta-analysis and exploration of heterogeneity. Journal of Epidemiology and Community Health, 61, 631–637.
Godfrey, P. S.
et al. (1990). Enhancement of recovery from psychiatric illness by methylfolate. Lancet, 336, 392–395.
Higgins, J. P., Thompson, S. G., Deeks, J. J. and Altman, D. G. (2003). Measuring inconsistency in meta-analyses. British Medical Journal, 327, 557–560.
Higgins, J. P. T. and Green, S. (2011). Cochrane Handbook for Systematic Reviews of Interventions, version 5.1.0: The Cochrane Collaboration. Available at: http://www.cochrane-handbook.org.
Holmes, M. V.
et al. (2011). Effect modification by population dietary folate on the association between MTHFR genotype, homocysteine, and stroke risk: a meta-analysis of genetic studies and randomised trials. Lancet, 378, 584–594.
Hvas, A. M., Juul, S., Lauritzen, L., Nexo, E. and Ellegaard, J. (2004). No effect of vitamin B-12 treatment on cognitive function and depression: a randomized placebo controlled study. Journal of Affective Disorders, 81, 269–273.
Loria-Kohen, V., Gomez-Candela, C., Palma-Milla, S., Amador-Sastre, B., Hernanz, A. and Bermejo, L. M. (2013). A pilot study of folic acid supplementation for improving homocysteine levels, cognitive and depressive status in eating disorders. Nutricion Hospitalaria, 28, 807–815.
Papakostas, G. I.
et al. (2012). L-methylfolate as adjunctive therapy for SSRI-resistant major depression: results of two randomized, double-blind, parallel-sequential trials. American Journal of Psychiatry, 169, 1267–1274.
et al. (1993). Oral 5¢-methyltetrahydrofolic acid in senile organic mental disorders with depression: results of a double-blind multicenter study. Aging (Milano), 5, 63–71.
et al. (2008). Effect of folic acid combined with fluoxetine in patients with major depression on plasma homocysteine and vitamin B12, and serotonin levels in lymphocytes. Neuroimmunomodulation, 15, 145–152.
Reynolds, E. H., Preece, J. M., Bailey, J. and Coppen, A. (1970). Folate deficiency in depressive illness. British Journal of Psychiatry, 117, 287–292.
Shorvon, S. D., Carney, M. W., Chanarin, I. and Reynolds, E. H. (1980). The neuropsychiatry of megaloblastic anaemia. British Medical Journal, 281, 1036–1038.
Taylor, M. J., Carney, S., Geddes, J. and Goodwin, G. (2003). Folate for depressive disorders. Cochrane Database Systematic Reviews, Cd003390.
Taylor, M. J., Carney, S. M., Goodwin, G. M. and Geddes, J. R. (2004). Folate for depressive disorders: systematic review and meta-analysis of randomized controlled trials. Journal of Psychopharmacology, 18, 251–256.
VITATOPS (2010). B vitamins in patients with recent transient ischaemic attack or stroke in the VITAmins TO Prevent Stroke (VITATOPS) trial: a randomised, double-blind, parallel, placebo-controlled trial. Lancet Neurology, 9, 855–865.
Walker, J. G.
et al. (2010). Mental health literacy, folic acid and vitamin B12, and physical activity for the prevention of depression in older adults: randomised controlled trial. British Journal of Psychiatry, 197, 45–54.
Walker, J. G.
et al. (2012). Oral folic acid and vitamin B-12 supplementation to prevent cognitive decline in community-dwelling older adults with depressive symptoms–the Beyond Ageing Project: a randomized controlled trial. American Journal of Clinical Nutrition, 95, 194–203.