[1]
A. Sedhain, G. R. Bhattarai, S. R. Yadav, B. R. Pandey, and T. P. Pant, “Geographic and Seasonal Variation of Vitamin D: A Retrospective Study in Two Centers of Nepal”, J Nepal Health Res Counc, vol. 18, no. 1, pp. 103-107, Apr. 2020.