Shakil, U.; Ahmad, M.; Rehman, A. U.; Shahid, R. 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. Pak Armed Forces Med J 2015, 65 (2), 247-251.