Paul, Deepak, Moothedathparambil Ramakrishnan Babu, and Krishnakumar Marar. 2018. “Correlation Between Pathological Tumour Stage and Lymph Node Involvement in Oral Cancers: A Descriptive Study”. International Surgery Journal 6 (1):257-60. https://doi.org/10.18203/2349-2902.isj20185483.