SETÄLÄ, J.; SYRJÄLÄ-QVIST, L.; ASPILA, P. Untreated and formaldehyde-treated urea as nitrogen sources for young growing bulls . Agricultural and Food Science, [S. l.], v. 54, n. 1, p. 53–62, 1982. DOI: 10.23986/afsci.72089. Disponível em: https://journal.fi/afs/article/view/72089. Acesso em: 25 dec. 2024.