1. Farmacologia e Terapeutica Veterinaria;Booth,1991
2. Overview of coccidiosis in poultry;Gerhold,2015
3. Regulation (EC) No. 1831/2003. European Union Register of Feed Additives. Edition 254http://ec.europa.eu/food/safety/animal-feed/feed-additives/index_en.htm
4. Committee for Medicinal Products for Veterinary Use Toltrazuril; Summary Report (1)http://www.eudra.org/emea.html
5. Extension to Cattle and Extrapolation to All Mammalian Food-Producing Species and Poultry; Summary Report (5)http://www.emea.eu.int