@article{ref1,
title="Is solving the methodological problems enough? Ambulatory care quality evaluation and the diffusion of innovation",
journal="QRB. quality review bulletin",
year="1976",
author="Christoffel, Thomas H.",
volume="2",
number="9",
pages="8-11,28",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0097-5990",
doi="",
url="http://dx.doi.org/"
}