M. S., Sudhakar Rao, Navneeth T. P., and John C. J. “Comparative Study of Colour Doppler Vs. FNNAC Findings in WHO Grade II Thyroid Enlargement in Adult Females”. International Journal of Otorhinolaryngology and Head and Neck Surgery 5, no. 4 (June 27, 2019): 1025–1029. Accessed November 16, 2025. https://www.ijorl.com/index.php/ijorl/article/view/1491.