RT Book, Section SR Electronic(1) A1 Thamm, Douglas H. YR 2015 T1 Head cases: tumours of the nose and paranasal sinuses T2 BSAVA Congress Proceedings 2015 PB British Small Animal Veterinary Association DO 10.22233/9781910443521.13.7 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443521.ch13sec7