@article{ref1,
title="Confidence testing as an improvement of multiple-choice examinations",
journal="British Journal of medical education",
year="1973",
author="Palva, I. P. and Korhonen, V.",
volume="7",
number="3",
pages="179-181",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1110",
doi="",
url="http://dx.doi.org/"
}