@article{ref1,
title="Clarification on the coding of hip fractures",
journal="American journal of public health",
year="1994",
author="Baron, J. A. and Barrett, J.",
volume="84",
number="12",
pages="2028-2028",
abstract="Abstract unavailable.",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}