Joy Ugo, Nwamarah, and Otitoju, Grace Taiwo Olawale. “Fruit and Vegetable Consumption Pattern and Health Challenges of Elderly (≥60 Years) Staff in the University of Nigeria, Nsukka and Enugu Campuses: A Case Study”. Pakistan Journal of Nutrition, vol. 13, no. 11, Oct. 2014, pp. 626–630, https://doi.org/10.3923/pjn.2014.626.630.