Veerahanumaiah, S., K. R. Dakshayani, and S. B. Menasinkai. “Morphological Variations of the Thyroid Gland”. International Journal of Research in Medical Sciences, vol. 3, no. 1, Jan. 2017, pp. 53-57, https://www.msjonline.org/index.php/ijrms/article/view/1207.