@article{ref1,
title="Cognitive functioning in schizophrenia. II. Conceptual performance under unpaced, speeded, and slowed conditions",
journal="British journal of psychiatry",
year="1973",
author="Marshall, William L.",
volume="123",
number="575",
pages="423-428",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}