RT Journal Article SR Electronic(1) A1 Crowcroft, N YR 2001 T1 Aventis Pasteur withdraws VAQTA hepatitis A vaccines JF Weekly releases (1997–2007) VO 5 IS 49 SP 2070 OP DO https://doi.org/10.2807/esw.05.49.02070-en UL https://www.eurosurveillance.org/content/10.2807/esw.05.49.02070-en