RT Journal Article SR Electronic(1) A1 Frank, C A1 Stark, K YR 2004 T1 Cases of travel-associated hepatitis A in Germany: international alert JF Weekly releases (1997–2007) VO 8 IS 35 SP 2533 OP DO https://doi.org/10.2807/esw.08.35.02533-en UL https://www.eurosurveillance.org/content/10.2807/esw.08.35.02533-en