Shridhar, R., J. DSa, P. . Mangalore Balakrishna, V. Nair, K. Kumar, Sushith, and S. Nair. “Clinical Utility of Serum Holotranscobalamin in the Assessment of Vitamin B12 Deficiency in Patients With Hypothyroidism”. Advances in BioScience, vol. 12, no. 4, Dec. 2021, pp. 38-43, https://e-journal.sospublication.co.in/index.php/ab/article/view/359.