@incollection{:/content/chapter/10.22233/9781910443101.chap36, author = "Eatwell, Kevin", title = "Passerine birds: investigation of flock mortality/morbidity", booktitle = "BSAVA Manual of Raptors, Pigeons and Passerine Birds", publisher = "British Small Animal Veterinary Association", year = "2008", pages = "370-376", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781910443101.chap36" }