@incollection{:/content/chapter/10.22233/9781905319572.chap1, author = "Lhermette, Philip and Sobel, David", title = "An introduction to endoscopy and endosurgery", booktitle = "BSAVA Manual of Canine and Feline Endoscopy and Endosurgery", publisher = "British Small Animal Veterinary Association", year = "2008", pages = "1-10", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781905319572.chap1" }