Shakil, Usman, Mashkoor Ahmad, Atiq Ur Rehman, and Rahat Shahid. 2015. “ASSESSMENT OF OCCULT CERVICAL LYMPH NODE METASTASIS IN PRIMARY SQUAMOUS CELL CARCINOMA OF THE HEAD AND NECK BY COMPUTED TOMOGRAPHY: Assessment of Occult Lymph Node Metastasis”. Pakistan Armed Forces Medical Journal 65 (2): 247-51. https://pafmj.org/PAFMJ/article/view/836.