RT Journal Article SR Electronic(1) A1 Blystad, H A1 Nilsen, O YR 1999 T1 Travel-related notifiable diseases imported to Norway: 1998 JF Weekly releases (1997–2007) VO 3 IS 30 SP 1363 OP DO https://doi.org/10.2807/esw.03.30.01363-en UL https://www.eurosurveillance.org/content/10.2807/esw.03.30.01363-en