Alvarez, N. I. O.; Martínez, G. D. M.; Gama, R. B.; García, P. A. H.; Ayala, E. E.; García, J. A. M.; Trujillo, A. G. Economic Impact of Polyherbal Mixtures Containing Choline, Lysine and Methionine on Milk Production and Health of Dairy Cows. Emirates Journal of Food and Agriculture 2020, 32, 864-870.