RT Book, Section SR Electronic(1) A1 Gurney, Matt A1 Self, Ian YR 2021 T1 Drug management in chronic pain: when basics are not enough T2 BSAVA Congress Proceedings 2021 PB British Small Animal Veterinary Association DO 10.22233/9781913859008.131 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781913859008.Ch131