1. Anonymous, 1980. Official Methods of Analysis, 13th ed, Chap. 26. Natural Poisons, Sec. 26.009. Assoc. Offic. Anal. Chem., Arlington, VA.
2. The influence of test conditions on Newcastle disease hemagglutination inhibition titers;Brugh;Avian Dis.,1972
3. Aflatoxins;Busby,1981
4. Multiple range and multiple F tests;Duncan;Biometrics,1955
5. Edds, G. T., and R. R. Bortell, 1983. Biological effects of aflatoxin in poultry. Pages 56–61 in Aflatoxin and Aspergillus flavus in Corn. U. L. Diener, R. L. Asquith, and J. W. Dickens, ed. So. Coop. Ser. Bull. 279. Ala. Agric. Exp. Stn., Auburn Univ., AL.