RT Journal Article SR Electronic(1) A1 Sobel, David YR 2020 T1 Publications JF BSAVA Companion VO 2020 IS 12 SP 20 OP 21 DO https://doi.org/10.22233/20412495.1220.20 UL https://www.bsavalibrary.com/content/journals/10.22233/20412495.1220.20