@article{ref1,
title="Shared decision making, decision aids, and risk communication",
journal="Medical decision making",
year="2007",
author="Helfand, M.",
volume="27",
number="5",
pages="516-517",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0272-989X",
doi="10.1177/0272989X070270050101",
url="http://dx.doi.org/10.1177/0272989X070270050101"
}