@article{c63419da09404dd0b4bf2bec9547c959,
title = "Is immunising all patients with chronic lung disease in the community against influenza cost effective? Evidence from a general practice based clinical prospective cohort study in Utrecht, the Netherlands.",
author = "E. Hak and \{van Essen\}, G.A. and E. Buskens and W.A.B. Stalman and \{de Melker\}, R.A.",
year = "1998",
language = "Undefined/Unknown",
volume = "52",
pages = "120--125",
journal = "Journal of Epidemiology and Community Health",
issn = "0143-005X",
publisher = "BMJ Publishing Group",
}