1. Causes of vitamin B12 and folate deficiency;Allen;Food & Nutrition Bulletin,2008
2. Effects of vitamin B12 deficiency on neurodevelopment in infants: Current knowledge and possible mechanisms;Dror;Nutritional Reviews,2008
3. Cerebral folate deficiency;Gordon;Developmental Medicine & Child Neurology,2009
4. Diagnosis and treatment of vitaemin B12 deficiency – An update;Hvas;Haematologica,2006
5. The megaloblastic anemias: Vitamin B12 Cobalamin deficiency and other congenital and acquired disorders. Clinical, pathogenetic and diagnostic considerations of vitamin B12 (Cobalamin) deficiency and other congenital and acquired disorders;Lanzkowsky,1987