@article{ref1,
title="Need for differential discounting of costs and health effects in cost effectiveness analyses",
journal="British medical journal: BMJ",
year="2005",
author="Brouwer, Werner B. F. and Niessen, Louis W. and Postma, Maarten J. and Rutten, Frans F. H.",
volume="331",
number="7514",
pages="446-448",
abstract="Abstract unavailable.",
language="",
issn="0959-8138",
doi="10.1136/bmj.331.7514.446",
url="http://dx.doi.org/10.1136/bmj.331.7514.446"
}