@incollection{:/content/chapter/10.22233/9781905319718.chap1, author = "Barr, Frances and O’Brien, Robert", title = "Approach to abdominal imaging", booktitle = "BSAVA Manual of Canine and Feline Abdominal Imaging", publisher = "British Small Animal Veterinary Association", year = "2009", pages = "1-4", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781905319718.chap1" }