Muhammad Junaid, Altaf Hussain, Muhammad Khalid, Muhammad Umair, Imran Khan, Imran Khan, and Hasan Shafi. “UNKNOWN PRIMARY CARCINOMA HEAD & NECK- INCIDENCE IN METASTATIC CERVICAL LYMPHADENOPATHY AT A TERTIARY CARE HOSPITAL”. JOURNAL OF KHYBER COLLEGE OF DENTISTRY, vol. 9, no. 03, Sept. 2019, pp. 114-9, doi:10.33279/jkcd.v9i03.380.