Rathod, J. ., T. . Shah, M. . Gupta, and R. . Mehta. “Comparison Of Injection Vitamin B12 With Symptomatic Management in Clinically Suspected Vitamin B12 Deficient Patients: An Interventional Study”. National Journal of Community Medicine, vol. 3, no. 04, Dec. 2012, pp. 728-31, https://njcmindia.com/index.php/file/article/view/1805.