*Knottenbelt, D. D., Pascoe, R. R. (2003) '''Diseases and Disorders of the Horse''' ''Elsevier Health Sciences''
*Knottenbelt, D. D., Pascoe, R. R. (2003) '''Diseases and Disorders of the Horse''' ''Elsevier Health Sciences''
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*Radostits, O. M., Arundel, J. H., Gay, C. C. (2000) '''Veterinary Medicine: A Textbook of the diseases of cattle, sheep, pigs goats and horses''' ''Elsevier Health Sciences''
*Sellon, D. C., Long, M. T. (2007) '''Equine Infectious Diseases''' ''Elsevier Health Sciences''
*Sellon, D. C., Long, M. T. (2007) '''Equine Infectious Diseases''' ''Elsevier Health Sciences''