Rania M. Azab, W.M. Tawakkol, A. M. Hamad, M.K. Abou-Elmagd, H. M. El-Agrab, and M. K. Refai,  "Detection and estimation of aflatoxin B1 in feeds and its biodegradation by bacteria and fungi.",   Egypt. J.  Natural Toxins, vol.  2,, pp.  39-56., 2005.