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Gyawali, P., Bhatt, R.D., Karmacharya, R.M., Pant, V. and Khadka, A. 2023. High Burden of Vitamin B12 Deficiency among Adults and Elderly. Journal of Nepal Health Research Council. 20, 3 (Mar. 2023), 702-707. DOI:https://doi.org/10.33314/jnhrc.v20i3.4407.