E. I. Uche, A. A. Akinbami, R. Bamiro, I. O. Adeyemi, and N. Ibrahim, “Evaluation of serum folate, vitamin B12 and homocysteine among blood donors in Lagos State University teaching hospital, Lagos, Nigeria”, Int J Sci Rep, vol. 8, no. 9, pp. 249–254, Aug. 2022.