1. ATSDR (US Agency for Toxic Substances and Disease Registry), 2012. Toxicological profile for manganese. U.S. Department of Health and Human Services. Public Health Service. Available online: http://www.atsdr.cdc.gov/toxprofiles/tp151.pdf
2. Comparison of serum biochemical profiles of male broilers with female broilers and white leghorn chickens;Bowes;Canadian Journal of Veterinary Research,1989
3. Tolerance and efficacy of tribasic manganese chloride in growing broiler chickens;Conly;Poultry Science,2012
4. Influence of organic forms of copper, manganese and iron on bioaccumulation of these metals and zinc in laying hens;Dobrzanski;Journal of Elementology,2008
5. EC (European Commission), 1993. Report of the Scientific Committee for Food. Nutrient and energy intakes for the European Community. Reports of the Scientific Committee for Food, 31st Series. Food ‐ Science and Technique, European Commission, Luxembourg, 248 pp. Available online: http://ec.europa.eu/food/fs/sc/scf/out89.pdf