RT Book, Section SR Electronic(1) A1 Barr, Frances A1 O’Brien, Robert YR 2009 T1 Approach to abdominal imaging T2 BSAVA Manual of Canine and Feline Abdominal Imaging PB British Small Animal Veterinary Association DO 10.22233/9781905319718.1 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781905319718.chap1