@article{ref1,
title="Firearms and gun control: a public-health concern",
journal="New England journal of medicine",
year="1977",
author="Mahler, A. J. and Fielding, Jonathan E.",
volume="297",
number="10",
pages="556-558",
abstract="Abstract unavailable.",
language="",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}