RT Book, Section SR Electronic(1) A1 Baines, Elizabeth YR 2008 T1 The mediastinum T2 BSAVA Manual of Canine and Feline Thoracic Imaging PB British Small Animal Veterinary Association DO 10.22233/9781910443088.8 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443088.chap8