Sampaio, M. R. F. P., Ruegg, E. F., Bitran, E. A., & Abussamra, M. (2014). Residues of 14C-malathion in stored maize grains. Pesquisa Agropecuaria Brasileira, 23(9), 939–942. https://doi.org/10.1590/S1678-3921.pab1988.v23.14011