Incidence of Aspergillus section Flavi strains and aflatoxin production in some market samples of Dioscorea yam chips from various towns in Nigeria - Akinbade, O.O.; Kumar, M.; Atehnkeng, J.; Adegoke, G.O.; Kumar, P. Lava; Bandyopadhyay, Ranajit (International Institute of Tropical Agriculture, 2009)