1. Frank GH. Pasteurella and pasteurellosis. In: Adlam C, Rutter JM, editors. Pasteurellosis of cattle. London: Academic Press; 1989. p. 197–222.
2. Serotyping and enzyme characterization of Pasteurella haemolytica and Pasteurella multocida isolates recovered from pneumonic lungs of stressed feeder calves;Purdy;Curr Microbiol,1997
3. Bacterial and Mycoplasma species isolated from pneumonic bovine lungs;Welsh;Agri Pract,1993
4. A review of bovine respiratory disease vaccine field efficacy;Perino;Bov Practitioner,1997
5. Vaccination of calves with leukotoxic culture supernatant from Pasteurella haemolytica;Shewen;Can J Vet Res,1988