%0 Book Section %A Hall, Edward J. %T Flexible endoscopy: basic technique %B BSAVA Manual of Canine and Feline Endoscopy and Endosurgery %D 2020 %I British Small Animal Veterinary Association %R doi:https://doi.org/10.22233/9781910443620.3 %U https://www.bsavalibrary.com/content/chapter/10.22233/9781910443620.chap3