@article{ref1,
title="Patterns of violence in Karachi, Pakistan (Letter)",
journal="Injury prevention",
year="2002",
author="Hyder, Adnan Ali",
volume="8",
number="4",
pages="345-345",
abstract="Abstract unavailable.",
language="en",
issn="1353-8047",
doi="",
url="http://dx.doi.org/"
}