RT Journal Article SR Electronic(1) A1 van den Hof, S YR 2002 T1 Improving the effectiveness of the measles vaccination programme in a population where many refuse vaccination JF Weekly releases (1997–2007) VO 6 IS 10 SP 2094 OP DO https://doi.org/10.2807/esw.06.10.02094-en UL https://www.eurosurveillance.org/content/10.2807/esw.06.10.02094-en