Hall, E. J., Williams, D. A., & Kathrani, A. (2020). BSAVA manual of canine and feline gastroenterology (Third edition.). British Small Animal Veterinary Association.

Hall, E. J., David A. Williams, and Aarti Kathrani. BSAVA Manual of Canine and Feline Gastroenterology. Third edition. Quedgeley, Gloucester: British Small Animal Veterinary Association, 2020.

Hall, E. J., et al. BSAVA Manual of Canine and Feline Gastroenterology. Third edition. British Small Animal Veterinary Association, 2020.