RT Book, Section SR Electronic(1) A1 Steiner, JÓ§rg M. YR 2005 T1 Laboratory evaluation of gastrointestinal disease T2 BSAVA Manual of Canine and Feline Gastroenterology PB British Small Animal Veterinary Association DO 10.22233/9781910443361.2 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443361.chap2