@incollection{:/content/chapter/10.22233/9781913859008.Ch39, author = "Willard, Mike", title = "Diagnosis of congenital portosystemic shunts: the textbooks are misleading", booktitle = "BSAVA Congress Proceedings 2021", publisher = "British Small Animal Veterinary Association", year = "2021", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781913859008.Ch39" }