S. Kumar, V. K. Jain, A. Gupta, S. B. S. Netam, and N. Gupta, “Elastography evaluation of normal thyroid gland and its comparison with diffuse non nodular enlarged thyroid gland using strain ultrasound elastography”, Int J Res Med Sci, vol. 7, no. 5, pp. 1435–1440, Apr. 2019.