Kapoor, A. ., N. A. . Zuberi, and M. . Baig. “Comparison Of Vitamin B12 Level Among Vegetarian And Non Vegetarian Apparently Healthy Individuals In District Tharparkar”. Journal of Bahria University Medical and Dental College, vol. 2, no. 1, Jan. 2012, pp. 13-16, https://jbumdc.bahria.edu.pk/index.php/ojs/article/view/28.