%0 Journal Article %A Grint, Nicki %T How to… %D 2011 %J BSAVA Companion %V 2011 %N 5 %P 16-21 %R doi:https://doi.org/10.22233/20412495.0511.16 %U https://www.bsavalibrary.com/content/journals/10.22233/20412495.0511.16