@article{:/content/journals/10.22233/20412495.0610.12, author = "Lowrie, Mark", title = "How to…", journal = "BSAVA Companion", year = "2010", volume = "2010", number = "6", eid = , pages = "12-15", url = "https://www.bsavalibrary.com/content/journals/10.22233/20412495.0610.12", doi = "https://doi.org/10.22233/20412495.0610.12" }