RT Book, Section SR Electronic(1) A1 Doneley, Bob YR 2008 T1 Pigeons: respiratory disease T2 BSAVA Manual of Raptors, Pigeons and Passerine Birds PB British Small Animal Veterinary Association DO 10.22233/9781910443101.30 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443101.chap30