@article{125163b60f7546e59d13a4a89ddcbcfb,
title = "Introducing a pneumococcal vaccine to an existing influenza immunization program: vaccination rates and predictors of noncompliance.{"}",
keywords = "Econometric and Statistical Methods: General, Geneeskunde (GENK), Geneeskunde(GENK), Public Health, Overig medisch onderzoek",
author = "W. Opstelten and E. Hak and Th.J.M. Verheij and {van Essen}, G.A.",
year = "2001",
language = "Undefined/Unknown",
volume = "111",
pages = "474--479",
journal = "The American Journal of Medicine",
issn = "0002-9343",
publisher = "Elsevier",
}