Yuan, Jie, Xinxin Zhang, Shumin Zhang, and Li Zhang. “Analysis of Influencing Factors and Prognosis of Early Post-Operative Recurrence of Oral Squamous Cell Carcinoma”. The Ethiopian Journal of Health Development (October 12, 2022). Accessed April 24, 2024. https://ejhd.org/index.php/ejhd/article/view/4703.