RT Book, Section SR Electronic(1) A1 Butcher, Ray L. YR 2001 T1 General approach T2 BSAVA Manual of Ornamental Fish PB British Small Animal Veterinary Association DO 10.22233/9781910443538.09 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443538.chap9