K. R. Iseh, E. Essien, and L. S. Bilbis, “Demographic Characteristics and Food Consumption Pattern of Head and Neck Cancer Patients in a Tertiary Health Institution North West Nigeria”, Pak. J. Nutr., vol. 12, no. 10, pp. 897–902, Sep. 2013, doi: 10.3923/pjn.2013.897.902.