@article{ref1,
title="Are abused women more or less likely to use health care services during pregnancy?",
journal="Paediatric and perinatal epidemiology",
year="2001",
author="Martin, Sl and Kupper, Ll and Mackie, L. and Clark, Ka and Buescher, Pa and Halpern, C.",
volume="15",
number="4",
pages="A23-A23",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0269-5022",
doi="10.1111/j.1365-3016.2001.381-70.x",
url="http://dx.doi.org/10.1111/j.1365-3016.2001.381-70.x"
}