4.Fishman SM, Christian P, West KP. The role of vitamins in the prevention and control of anaemia. Public Health Nutr. 2000 Jun;3(2):125-50. http://www.ncbi.nlm.nih.gov/pubmed/10948381
5.Mintzer S, Skidmore CT, Sperling MR. B-vitamin deficiency in patients treated with antiepileptic drugs. Epilepsy Behav. 2012 Jul;24(3):341-4. http://www.ncbi.nlm.nih.gov/pubmed/22658435
6.Güzelcan Y, van Loon P. Vitamin B12 status in patients of Turkish and Dutch descent with depression: a comparative cross-sectional study. Ann Gen Psychiatry. 2009 Aug 13;8:18. http://www.ncbi.nlm.nih.gov/pubmed/19674486
7.Hovdenak N. Haram K. Influence of mineral and vitamin supplements on pregnancy outcome. Eur J Obstet Gynecol Reprod Biol. 2012 Oct;164(2):127-32. http://www.ncbi.nlm.nih.gov/pubmed/22771225