Graciano, T. S., Natali, M. R. M., Vidal, L. V. O., Michelato, M., Righetti, J. S., & Furuya, W. M. (2011). Performance and hepatic morphology of Nile tilapia juveniles fed methionine and choline supplemented diets. Pesquisa Agropecuaria Brasileira, 45(7), 737–743. https://doi.org/10.1590/S1678-3921.pab2010.v45.3200