@article{:/content/10.2807/esw.04.35.01537-en, author = "Twisselmann, B", title = "Cattle may have subclinical BSE infection for years", journal = "Weekly releases (1997–2007)", year = "2000", volume = "4", number = "35", eid = 1537, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esw.04.35.01537-en", doi = "https://doi.org/10.2807/esw.04.35.01537-en" }