RT Journal Article SR Electronic(1) A1 Handysides, S A1 Kiehl, W A1 Salmaso, S A1 Ekdahl, K A1 Hemmer, R A1 Hovi, T A1 Iversen, B G A1 Smith, E A1 Wijgergangs, L YR 1999 T1 Introduction of neuraminidase inhibitor zanamivir JF Weekly releases (1997–2007) VO 3 IS 41 SP 1318 OP DO https://doi.org/10.2807/esw.03.41.01318-en UL https://www.eurosurveillance.org/content/10.2807/esw.03.41.01318-en