RT Journal Article SR Electronic(1) A1 Tefanova, V A1 Tallo, T A1 Kutsar, K A1 Priimgi, L YR 2006 T1 Urgent action needed to stop spread of hepatitis B and C in Estonian drug users JF Weekly releases (1997–2007) VO 11 IS 4 SP 2883 OP DO https://doi.org/10.2807/esw.11.04.02883-en UL https://www.eurosurveillance.org/content/10.2807/esw.11.04.02883-en