C. Viswanatha S, Hedne N, Hasan S. Correlation between histological grading, LVI and PNI of carcinoma oral tongue to lymph node metastasis. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2018 Dec. 25 [cited 2026 Jan. 17];5(1):159-64. Available from: https://www.ijorl.com/index.php/ijorl/article/view/1197