@article{19a52d5b6aeb4207a7bd705917b56d75,
title = "Vaccine effectiveness in pandemic influenza-primary care reporting (VIPER): an observational study to assess the effectiveness of the pandemic influenza A",
keywords = "Influenza H1N1 pandemic , Influenza H1N1 Vaccine, Vaccine Effectiveness",
author = "Simpson, {Colin R.} and Ritchie, {Lewis Duthie} and C Robertson and A Sheikh and J Mcmenamin",
year = "2010",
doi = "10.3310/hta14340-05",
language = "English",
volume = "14",
pages = "313--346",
journal = "Health Technology Assessment",
issn = "2046-4924",
publisher = "National Co-ordinating Centre for HTA",
number = "34",
}