%0 Book Section %A Best, J.R. %T Passerine birds: approach to the sick individual %B BSAVA Manual of Raptors, Pigeons and Passerine Birds %D 2008 %I British Small Animal Veterinary Association %R doi:https://doi.org/10.22233/9781910443101.34 %U https://www.bsavalibrary.com/content/chapter/10.22233/9781910443101.chap34