de Carvalho, P. R., Goncalves Pita, M. C., Loureiro, J. E., Tanaka, H. R., & Soares Ribeiro, J. C. (2010). Manganese Deficiency in Bovines: Connection Between Manganese Metalloenzyme Dependent in Gestation and Congenital Defects in Newborn Calves. Pakistan Journal of Nutrition, 9(5), 488–503. https://doi.org/10.3923/pjn.2010.488.503