1. Toltrazuril treatment of calves in a natural outbreak of coccidiosis;Bohrmann;Dtsch. Tieraerztl. Wochenschr.,1991
2. Bovine coccidiosis from carrier to clinical case;Boughton;J. Am. Vet. Med. Assoc.,1945
3. Epi Info, Version 6. A Word Processing, Database and Statistics System for Epidemiology on Microcomputers;Dean,1994
4. Coccidiosis in cattle in the Pavlodar and Semipalatinsk regions;Dzershinskii;Izv. Akad. Nauk Kaz. SSR Ser. Biol.,1984
5. A study of the aetiology, epidemiology and control of calf diarrhoea in Ireland;Greene;Irish Vet. J.,1984