@incollection{:/content/chapter/10.22233/9781910443361.chap3, author = "O’Brien, Robert T.", title = "Imaging the gastrointestinal tract, liver and pancreas", booktitle = "BSAVA Manual of Canine and Feline Gastroenterology", publisher = "British Small Animal Veterinary Association", year = "2005", pages = "22-33", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781910443361.chap3" }