22.
Galukande M, Jombwe J, Fualal J, Baingana R, Gakwaya A. Reference values for serum levels of folic acid and vitamin B12 in a young adult Ugandan population. Afr Health Sci. 2011;11(2):240–3.PubMedCentralPubMed
23.
Ssonko M, Ddungu H, Musisi S. Low serum vitamin B12 levels among psychiatric patients admitted in Butabika mental hospital. BMC Res Notes. 2014;7:90.CrossRefPubMedCentralPubMed
24.
Semeere AS, Nakanjako D, Ddungu H, Kambugu A, Manabe YC, Colebunders R. Sub-optimal vitamin B-12 levels among ART-naïve HIV-positive individuals in an urban cohort in Uganda. PLoS One. 2012;7(7):e40072.CrossRefPubMedCentralPubMed
25.
Hathcock JN (2004) Vitamin and mineral safety, 2nd ed. Council for Responsible Nutrition (CRN).
26.
Charlton KE, Rabinowitz TL, Geffen LN, Dhansay MA. Lowered plasma vitamin C, but not vitamin E, concentrations in dementia patients. J Nutr Health Aging. 2004;8(2):99–107.PubMed
27.
DeSantis J. Scurvy and psychiatric symptoms. Perspect Psychiatr Care. 1993;29(1):18–22.CrossRefPubMed