ENEJI, C.A.; IKPEME, C.E.; UBUA, J. Effect of Refrigeration and Frozen Storage on the Shelf-life of Beef Purchased from Local Markets and Abattoir in Calabar Metropolis-Nigeria. Pakistan Journal of Nutrition, Pakistan, v. 6, n. 6, p. 576–581, 2007. DOI: 10.3923/pjn.2007.576.581. Disponível em: https://pjnonline.org/pjn/article/view/543. Acesso em: 23 aug. 2025.