@incollection{:/content/chapter/10.22233/9781910443491.ch131, author = "Hall, Ed", title = "Diagnostic Rounds: gastrointestinal endoscopy", booktitle = "BSAVA Webinar Library", publisher = "British Small Animal Veterinary Association", year = "2020", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781910443491.ch131" }