Lopez-Guisa et al., 1991. J. Dairy Sci., 74 (12): 4297-4304

Lopez-Guisa, J. M. ; Satter, L. D., 1991. Effect of forage source on retention of digesta markers applied to corn gluten meal and brewers grains for heifers. J. Dairy Sci., 74 (12): 4297-4304