@article{ref1,
title="Sex life of men during long term imprisonment",
journal="Ceskoslovenska Psychiatrie",
year="1969",
author="Drtil, J.",
volume="65",
number="4",
pages="245-250",
abstract="<p>[Abstract unavailable]</p> <p>Language: cs</p>",
language="cs",
issn="0069-2336",
doi="",
url="http://dx.doi.org/"
}