Fagbayi, T., S. Ogbonnia, H.A. Ogbunugafor, V.I. Okochi, J. Okpuzor, and C. Obidiegwu. 2008. “Estimation of Cholesterol Level in Different Brands of Vegetable Oils”. Pakistan Journal of Nutrition 8 (1): 57–62. https://doi.org/10.3923/pjn.2009.57.62.