RT Book, Section SR Electronic(1) A1 Downing, Frances YR 2020 T1 Pulse oximetry: when to be worried under anaesthesia T2 BSAVA Congress Proceedings 2020 PB British Small Animal Veterinary Association DO 10.22233/9781910443774.41.5 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443774.ch41sec5