@article{ref1,
title=""Mini-mental state". A practical method for grading the cognitive state of patients for the clinician",
journal="Journal of psychiatric research",
year="1975",
author="Folstein, M. F. and Folstein, S. E. and McHugh, P. R.",
volume="12",
number="3",
pages="189-198",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3956",
doi="",
url="http://dx.doi.org/"
}