@article{ref1,
title="Absenteeism of school children",
journal="Ceskoslovenska Pediatrie",
year="1969",
author="Tarinová, A. and Opoldus, J. and Chura, A. J.",
volume="24",
number="4",
pages="360-364",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0069-2328",
doi="",
url="http://dx.doi.org/"
}