MEZZOMO, R.; PAULINO, P. V. R.; DETMANN, E.; TEIXEIRA, C. R. V.; ALVES, L. C.; ASSUNÇÃO, R. N. <b&gt;Tannin on non-degradable digestible protein from proteic sources in cattle rumen. Acta Scientiarum. Animal Sciences, v. 37, n. 4, p. 389-395, 1 out. 2015.