Gandla S, Rao V. Role of PET CT in the detection of second synchronous primary tumors and distant metastasis in head and neck cancers at initial presentation. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2019 Feb. 23 [cited 2026 Apr. 28];5(2):391-5. Available from: https://www.ijorl.com/index.php/ijorl/article/view/1237