Distribution of aflatoxins in fractions of contaminated corn visually segregated for defects - Piedade, F. S.; Fonseca, Homero; Glória, Eduardo Micotti da; Calori-Domingues, Maria Antonia; Piedade, Sônia Maria de Stefano; Barbin, Décio (International IUPAC Symposium on Mycotoxins and Phycotoxins, 2000)