@article{:/content/journals/10.22233/20412495.0722.18, author = "Stansfield, Emma", title = "How to...", journal = "BSAVA Companion", year = "2022", volume = "2022", number = "7", eid = , pages = "18-23", url = "https://www.bsavalibrary.com/content/journals/10.22233/20412495.0722.18", doi = "https://doi.org/10.22233/20412495.0722.18" }