@article{ref1,
title="Accessing Vulnerable Populations for Research",
journal="Western journal of nursing research",
year="2000",
author="Anderson, Debra Gay and Hatton, Diane C.",
volume="22",
number="2",
pages="244-251",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0193-9459",
doi="10.1177/01939450022044386",
url="http://dx.doi.org/10.1177/01939450022044386"
}