title: Vitamin B12 and folate deficiencies.
mesh_terms: D000368:Aged; D004827:Epilepsy / Q000150:complications; D005494:Folic Acid Deficiency / Q000150:complications*; D006801:Humans; D001523:Mental Disorders / Q000150:complications*; D014806:Vitamin B 12 Deficiency / Q000150:complications*