RT Journal Article SR Electronic(1) A1 Kojouharova, M A1 Editorial team, Collective YR 2006 T1 Current outbreak of hepatitis A in Bulgaria, 2006 JF Weekly releases (1997–2007) VO 11 IS 40 SP 3059 OP DO https://doi.org/10.2807/esw.11.40.03059-en UL https://www.eurosurveillance.org/content/10.2807/esw.11.40.03059-en