@article{ref1,
title="Estimating costs of illness and injuries: a response",
journal="American journal of public health",
year="1981",
author="Hartunian, N. S. and Thompson, M. S. and Smart, C. N.",
volume="71",
number="12",
pages="1394-1395",
abstract="Abstract unavailable.",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}