Kanu, O.O., Nnoli, M.A. and Asoegwu, C.A. 2016. Prevalence of head and neck tumours in Calabar, South Eastern Nigeria. Asian Journal of Medical Sciences. 7, 3 (Jan. 2016), 123–126. DOI:https://doi.org/10.3126/ajms.v7i3.14216.