1. F. W. Alexander, H. T. Delves, and B. E. Clayton (1973 )-Commission of the European Communities/United States Environmental Protection Agency: International Symposium on Environmental Health Aspects of Lead , Amsterdam, Luxembourg, p319 .
2. The influence of dietary minerals and fat on the absorption of lead
3. Effect of Particle Size on Lead Absorption from the Gut
4. W. B. Buck, J. D. Hoskin, and E. J. Catcott (1979 )-Canine Medicine , 4th edn , Santa Barbara, California, Am. Vet. Public, Inc., p166 .
5. Effect of Age on Gastrointestinal Absorption (Fe, Sr, Pb) in the Rat