Iftikhar, Haissan, et al. “PROSTATE CANCER METASTASIS TO CERVICAL NODE CHAIN-AN UNUSUAL CLINIC-PATHOLOGICAL FINDING”. Journal of Ayub Medical College Abbottabad, vol. 31, no. 1, Dec. 2018, pp. 134-5, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/2500.