Paudel, P., J. P. Agrawal, S. Timilsena, and J. Subedi. “Study of Vitamin B12 Status and the Consequential Clinico-Hematological Profile in Healthy Vegetarian Population in Nepal”. Journal of Chitwan Medical College, vol. 7, no. 1, May 2017, pp. 41-46, https://nepjol.info./index.php/JCMC/article/view/17369.