Moraes, Sheila da Silva, et al. “Selenium Determination in Bovine Liver by Hydride Generation Atomic Absorption Spectrophotometry”. Pesquisa Agropecuaria Brasileira, vol. 30, no. 11, Nov. 1995, pp. 1347-53, doi:10.1590/S1678-3921.pab1995.v30.4433.