1. Haddadin M (1986) Microbiology of white-brined cheeses. In: Robinson RK (ed) Developments in food microbiology. Elsevier, pp 67?89
2. Anonymous (1985) The annual report of animal production and health, Ministry of Agriculture. Amman, Jordan
3. Jorhem L, Sundstrom B, Astrand C, Haegglund G (1989) The levels of zinc, copper, manganese, selenium, chromium, nickel, cobalt and aluminium in meat, liver and kidney of Swedish pigs and cattle. Int J Food Res Technol 188:39?44
4. Jorhem L, Slorach S (1987) Lead, chromium, tin, iron and cadmium in foods in welded cans. Food Add Contam 4:309?316
5. Food and Nutrition Board (1980) Committee on Dietary Allowances recommended dietary allowances. National Academy of Sciences, Washington