@article{ref1,
title="Further considerations for research on human trafficking",
journal="American journal of public health",
year="2018",
author="Helpingstine, Claire E. and Boyd, Brittany and Barton, Alexa D.",
volume="108",
number="2",
pages="e8-e8",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0090-0036",
doi="10.2105/AJPH.2017.304234",
url="http://dx.doi.org/10.2105/AJPH.2017.304234"
}