@article{:/content/10.2807/esw.03.04.01460-en, author = "Ronne, T", title = "Cases of diphtheria in Denmark", journal = "Weekly releases (1997–2007)", year = "1999", volume = "3", number = "4", eid = 1460, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esw.03.04.01460-en", doi = "https://doi.org/10.2807/esw.03.04.01460-en" }