%0 Journal Article %A Tappin, Simon %T How to… %D 2018 %J BSAVA Companion %V 2018 %N 01 %P 18-21 %R doi:https://doi.org/10.22233/20412495.0118.18 %U https://www.bsavalibrary.com/content/journals/10.22233/20412495.0118.18